(19)
(11)EP 3 330 355 A1

(12)EUROPEAN PATENT APPLICATION

(43)Date of publication:
06.06.2018 Bulletin 2018/23

(21)Application number: 17204790.4

(22)Date of filing:  30.11.2017
(51)Int. Cl.: 
C11D 3/386  (2006.01)
C11D 3/39  (2006.01)
(84)Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME
Designated Validation States:
MA MD

(30)Priority: 02.12.2016 EP 16202076

(71)Applicant: The Procter & Gamble Company
Cincinnati, OH 45202 (US)

(72)Inventor:
  • LANT, Neil Joseph
    Newcastle upon Tyne, NE12 9TS (GB)

(74)Representative: Peet, Jillian Wendy 
Procter & Gamble Technical Centres Limited Whitley Road
Longbenton Newcastle upon Tyne NE12 9TS
Longbenton Newcastle upon Tyne NE12 9TS (GB)

  


(54)CLEANING COMPOSITIONS INCLUDING MANNANASE ENZYMES AND BLEACH


(57) Cleaning compositions that include a mannanase enzyme, a peroxygen source; and an acyl hydrazone bleach catalyst and methods of making and using such cleaning compositions and use of an acyl hydrazone bleach catalyst in combination with a mannanase enzyme.


Description

REFERENCE TO A SEQUENCE LISTING



[0001] This application contains a Sequence Listing in computer readable form, which is incorporated herein by reference.

FIELD OF THE INVENTION



[0002] The present invention relates to cleaning compositions that include a mannanase enzyme, a peroxygen source; and an acyl hydrazone bleach catalyst. The present invention also relates to methods of making and using such cleaning compositions. The present invention also relates to the use of a mannanase enzyme, a peroxygen source and an acyl hydrazone bleach catalyst.

BACKGROUND OF THE INVENTION



[0003] The detergent formulator is constantly aiming to improve the performance of detergent compositions. One particular challenge is the removal of certain malodorous soils from surfaces such as textiles, especially under more sustainable washing processes involving cool wash temperatures. There is a need for improved cleaning compositions that provide soil and/or malodor removal benefits.

SUMMARY OF THE INVENTION



[0004] The present invention relates to a cleaning composition comprising a mannanase enzyme comprising a polypeptide having mannan endo-1,4-beta-mannosidase activity (EC 3.2.1 .78), that catalyzes the hydrolysis of 1 ,4-3-D-mannosidic linkages in mannans, galactomannans and/or glucomannans, a peroxygen source; and an acyl hydrazone bleach catalyst. The acyl hydrazone bleach catalyst preferably has a structure according to Formula I:

where R1 stands for a CF3 or for a C1-28 alkyl, C2-28 alkenyl, C2-22 alkynyl, C3-12 cycloalkyl, C3-12 cycloalkenyl, phenyl, naphthyl, C7-9 aralkyl, C3-20 heteroalkyl or C3-12 cycloheteroalkyl group,

R2 and R3 independently of one another stand for hydrogen or an optionally substituted C1-28 alkyl, C2-28 alkenyl, C2-22 alkynyl, C3-12 cycloalkyl, C3-12 cycloalkenyl, C7-9 aralkyl, C3-28 heteroalkyl, C3-12 cycloheteroalkyl, C5-16 heteroaralkyl, phenyl, naphthyl or heteroaryl group or R2 and R3 together with the carbon atom linking them stand for an optionally substituted 5-, 6-, 7-, 8- or 9-membered ring that can optionally include heteroatoms, and

R4 stands for hydrogen or a C1-28 alkyl, C2-28 alkenyl, C2-22 alkynyl, C3-12 cycloalkyl, C3-12 cycloalkenyl, C7-9 aralkyl, C3-20 heteroalkyl, C3-12 cycloheteroalkyl, C5-16 heteroaralkyl group or an optionally substituted phenyl or naphthyl or heteroaryl group.



[0005] The present invention also relates to a method of cleaning a surface, preferably a textile, where the method includes mixing a cleaning composition as described herein with water to form an aqueous liquor and contacting a surface, preferably a textile, with the aqueous liquor in a laundering step.

[0006] The present invention also relates to the use of the mannanase enzyme, a peroxygen source and an acyl hydrazone bleach catalyst in a cleaning composition to enhance stain-removal, bleaching, and/or malodor-reducing benefits.

[0007] Preferably the mannanase is a member of the glycoside hydrolase family 26. Preferably the mannanase has at least 60% sequence identity to SEQ ID NO:1 and/or at least 81 % sequence identity to SEQ ID NO: 2.

DETAILED DESCRIPTION OF THE INVENTION



[0008] The present invention relates to a cleaning composition comprising a mannanase enzyme, a peroxygen source, and an acyl hydrazone bleach catalyst. Without wishing to be bound by theory, it is believed that the combination of acyl hydrazone bleach catalyst in combination with a peroxygen source synergistically interacts with the activity of the mannanase enzyme on soils, which may include activity on soils of microbial origin, to improve soil and/or malodor removal. Without wishing to be bound by theory, it is believed this is due to the complimentary action of the acyl hydrazone bleach catalyst decolourising certain soil and malodor species, with the action of the mannanase enzyme in breaking down soils, which may be extracellular DNA soils, which may play a role in adhering these soil and malodor components to textile surfaces. Certain mannanase enzymes may also be surprisingly robust in the presence of the bleach catalyst.

[0009] The components of the compositions and processes of the present invention are described in more detail below.

[0010] As used herein, the articles "a" and "an" when used in a claim, are understood to mean one or more of what is claimed or described. As used herein, the terms "include," "includes," and "including" are meant to be non-limiting. The compositions of the present invention can comprise, consist essentially of, or consist of, the components of the present invention.

[0011] The terms "substantially free of" or "substantially free from" may be used herein. This means that the indicated material is at the very minimum not deliberately added to the composition to form part of it, or, preferably, is not present at analytically detectable levels. It is meant to include compositions whereby the indicated material is present only as an impurity in one of the other materials deliberately included. The indicated material may be present, if at all, at a level of less than 1%, or less than 0.1 %, or less than 0.01 %, or even 0%, by weight of the composition.

[0012] Unless otherwise noted, all component or composition levels are in reference to the active portion of that component or composition, and are exclusive of impurities, for example, residual solvents or by-products, which may be present in commercially available sources of such components or compositions.

[0013] All temperatures herein are in degrees Celsius (°C) unless otherwise indicated. Unless otherwise specified, all measurements herein are conducted at 20°C and under the atmospheric pressure.

[0014] In all embodiments of the present invention, all percentages are by weight of the total composition, unless specifically stated otherwise. All ratios are weight ratios, unless specifically stated otherwise.

[0015] It should be understood that every maximum numerical limitation given throughout this specification includes every lower numerical limitation, as if such lower numerical limitations were expressly written herein. Every minimum numerical limitation given throughout this specification will include every higher numerical limitation, as if such higher numerical limitations were expressly written herein. Every numerical range given throughout this specification will include every narrower numerical range that falls within such broader numerical range, as if such narrower numerical ranges were all expressly written herein.

[0016] As used herein, the term "alkoxy" is intended to include C1-C8 alkoxy and C1-C8 alkoxy derivatives of polyols having repeating units such as butylene oxide, glycidol oxide, ethylene oxide or propylene oxide.

[0017] As used herein, unless otherwise specified, the terms "alkyl" and "alkyl capped" are intended to include C1-C18 alkyl groups, or even C1-C6 alkyl groups.

[0018] As used herein, unless otherwise specified, the term "aryl" is intended to include C3-12 aryl groups.

[0019] As used herein, unless otherwise specified, the term "arylalkyl" and "alkaryl" are equivalent and are each intended to include groups comprising an alkyl moiety bound to an aromatic moiety, typically having C1-C18 alkyl groups and, in one aspect, C1-C6 alkyl groups.

[0020] The terms "ethylene oxide," "propylene oxide" and "butylene oxide" may be shown herein by their typical designation of "EO," "PO" and "BO," respectively.

[0021] As used herein, the term "cleaning and/or treatment composition" includes, unless otherwise indicated, granular, powder, liquid, gel, paste, unit dose, bar form and/or flake type washing agents and/or fabric treatment compositions.

[0022] As used herein, "cellulosic substrates" are intended to include any substrate which comprises cellulose, either 100% by weight cellulose or at least 20% by weight, or at least 30 % by weight or at least 40 or at least 50 % by weight or even at least 60 % by weight cellulose. Cellulose may be found in wood, cotton, linen, jute, and hemp. Cellulosic substrates may be in the form of powders, fibers, pulp and articles formed from powders, fibers and pulp. Cellulosic fibers, include, without limitation, cotton, rayon (regenerated cellulose), acetate (cellulose acetate), triacetate (cellulose triacetate), and mixtures thereof. Typically cellulosic substrates comprise cotton. Articles formed from cellulosic fibers include textile articles such as fabrics. Articles formed from pulp include paper.

[0023] As used herein, the term "maximum extinction coefficient" is intended to describe the molar extinction coefficient at the wavelength of maximum absorption (also referred to herein as the maximum wavelength), in the range of 400 nanometers to 750 nanometers.

[0024] As used herein "average molecular weight" is reported as a weight average molecular weight, as determined by its molecular weight distribution; as a consequence of their manufacturing process, polymers disclosed herein may contain a distribution of repeating units in their polymeric moiety.

[0025] As used herein the term "variant" refers to a polypeptide that contains an amino acid sequence that differs from a wild type or reference sequence. A variant polypeptide can differ from the wild type or reference sequence due to a deletion, insertion, or substitution of a nucleotide(s) relative to said reference or wild type nucleotide sequence. The reference or wild type sequence can be a full-length native polypeptide sequence or any other fragment of a full- length polypeptide sequence. A polypeptide variant generally has at least about 70% amino acid sequence identity with the reference sequence, but may include at least 75% amino acid sequence identity within the reference sequence, at least 80% amino acid sequence identity within the reference sequence, at least 85% amino acid sequence identity with the reference sequence, at least 86% amino acid sequence identity with the reference sequence, at least 87% amino acid sequence identity with the reference sequence, at least 88% amino acid sequence identity with the reference sequence, at least 89% amino acid sequence identity with the reference sequence, at least 90% amino acid sequence identity with the reference sequence, at least 91% amino acid sequence identity with the reference sequence, at least 92% amino acid sequence identity with the reference sequence, at least 93% amino acid sequence identity with the reference sequence, at least 94% amino acid sequence identity with the reference sequence, at least 95% amino acid sequence identity with the reference sequence, at least 96% amino acid sequence identity with the reference sequence, at least 97% amino acid sequence identity with the reference sequence, at least 98% amino acid sequence identity with the reference sequence, at least 98.5% amino acid sequence identity with the reference sequence or at least 99% amino acid sequence identity with the reference sequence.

[0026] As used herein, the term "solid" includes granular, powder, bar and tablet product forms.

[0027] As used herein, the term "fluid" includes liquid, gel, paste, and gas product forms.

Cleaning Composition



[0028] The present disclosure relates to cleaning and/or treatment compositions. The cleaning composition may be selected from the group of light duty liquid detergents compositions, heavy duty liquid detergent compositions, solid, for example particulate/powder or "dry" cleaning compositions, hard surface cleaning compositions, detergent gels commonly used for laundry, bleaching compositions, laundry additives, fabric enhancer compositions, shampoos, body washes, other personal care compositions, and mixtures thereof. The cleaning composition may be a hard surface cleaning composition (such as a dishwashing composition) or a laundry composition (such as a heavy duty liquid or solid detergent composition).

[0029] The cleaning compositions may be in any suitable form. The composition can be selected from a liquid, solid, or combination thereof. As used herein, "liquid" includes free-flowing liquids, as well as pastes, gels, foams and mousses. Non-limiting examples of liquids include light duty and heavy duty liquid detergent compositions, fabric enhancers, detergent gels commonly used for laundry, bleach and laundry additives. Gases, e.g., suspended bubbles, or solids, e.g. particles, may be included within the liquids. A "solid" as used herein includes, but is not limited to, powders, agglomerates, and mixtures thereof. Non-limiting examples of solids include: granules, micro-capsules, beads, noodles, and pearlised balls. Solid compositions may provide a technical benefit including, but not limited to, through-the-wash benefits, pre-treatment benefits, and/or aesthetic effects.

[0030] The cleaning composition may be in the form of a unitized dose article, such as a tablet or in the form of a pouch. Such pouches typically include a water-soluble film, such as a polyvinyl alcohol water-soluble film, that at least partially encapsulates a composition. Suitable films are available from MonoSol, LLC (Indiana, USA). The composition can be encapsulated in a single or multi-compartment pouch. A multi-compartment pouch may have at least two, at least three, or at least four compartments. A multi-compartmented pouch may include compartments that are side-by-side and/or superposed. The composition contained in the pouch may be liquid, solid (such as powders), or combinations thereof.

Mannanases



[0031] The composition comprises a mannanase enzyme. The term "mannanase" herein means a polypeptide having mannan endo-1,4- beta-mannosidase activity (EC 3.2.1.78) from the glycoside hydrolase family 26 that catalyzes the hydrolysis of 1 ,4-3-D-mannosidic linkages in mannans, galactomannans and glucomannans. Alternative names of mannan endo-1,4-beta-mannosidase are 1,4-3-D-mannan mannanohydrolase; endo-1,4-3-mannanase; endo- β-1,4-mannase; β-mannanase B; 3-1,4-mannan 4-mannanohydrolase; endo-3-mannanase; and β-D-mannanase. Preferred mannanases are members of the glycoside hydrolase family 26.

[0032] For purposes of the present disclosure, mannanase activity may be determined using the Reducing End Assay as described in the experimental section of WO 2015040159.
Suitable examples from class EC 3.2.1.78 are described in WO 2015040159, such as the mature polypeptide SEQ ID NO: 2 described therein.

[0033] Preferred mannanases are variants having at least 60%, at least 65%, at least 70%, at least 75%, at least 80%, at least 81 %, at least 82%, at least 83%, at least 84%, at least 85%, at least 86%, at least 87%, at least 88%, at least 89%, at least 90%, at least 91 %, at least 92%, at least 93%, at least 94%, at least 95%, at least 96%, at least 97%, at least 98%, at least 99% or 100% sequence identity to the mature polypeptide SEQ ID NO: 1 from Ascobolus stictoideus;

[0034] Preferred mannanases are variants having at least 81 %, at least 82%, at least 83%, at least 84%, at least 85%, at least 86%, at least 87%, at least 88%, at least 89%, at least 90%, at least 91 %, at least 92%, at least 93%, at least 94%, at least 95%, at least 96%, at least 97%, at least 98%, at least 99% or 100% sequence identity to the mature polypeptide SEQ ID NO: 2 from Chaetomium virescens.

[0035] Preferred mannanases are variants having at least 75%, at least 76%, at least 77%, at least 78%, at least 79%, at least 80%, at least 81%, at least 82%, at least 83%, at least 84%, at least 85%, at least 86%, at least 87%, at least 88%, at least 89%, at least 90%, at least 91 %, at least 92%, at least 93%, at least 94%, at least 95%, at least 96%, at least 97%, at least 98%, at least 99% or 100% sequence identity to the mature polypeptide SEQ ID NO: 3 from Preussia aemulans.

[0036] Preferred mannanases are variants having at least at least 65%, at least 66%, at least 67%, at least 68%, at least 69%, at least 70%, at least 71%, at least 72%, at least 73%, at least 74%, at least 75%, at least 76%, at least 77%, at least 78%, at least 79%, at least 80%, at least 81%, at least 82%, at least 83%, at least 84%, at least 85%, at least 86%, at least 87%, at least 88%, at least 89%, at least 90%, at least 91 %, at least 92%, at least 93%, at least 94%, at least 95%, at least 96%, at least 97%, at least 98%, at least 99% or 100% sequence identity to the mature polypeptide SEQ ID NO: 4 from Yunnania penicillata.

[0037] Preferred mannanases are variants having at least at least 75%, at least 76%, at least 77%, at least 78%, at least 79%, at least 80%, at least 81%, at least 82%, at least 83%, at least 84%, at least 85%, at least 86%, at least 87%, at least 88%, at least 89%, at least 90%, at least 91 %, at least 92%, at least 93%, at least 94%, at least 95%, at least 96%, at least 97%, at least 98%, at least 99% or 100% sequence identity to the mature polypeptide SEQ ID NO: 5 from Myrothecium roridum. Preferably the mannanase is an isolated mannanase.

[0038] Preferably the mannanase enzyme is present in the cleaning compositions in an amount from 0.001 to 1 wt% based on active protein in the composition, or from 0.005 to 0.5 wt% or from 0.01 to 0.25 wt%. Preferably the mannanase enzyme is present in the laundering aqueous liquor in an amount of from 0.01ppm to 1000 ppm of the mannanase enzyme, or from 0.05 or from 0.1ppm to 750 or 500ppm. The mannanases or compositions comprising them may also give rise to biofilm-disrupting effects.

Peroxygen Source



[0039] The cleaning compositions of the present invention comprise a peroxygen source. Peroxygen sources are known to provide, for example, bleaching benefits. The peroxygen source is preferably present in the cleaning composition at a level of from about 0.1% to about 40%, or from about 0.5% to about 20%, by weight of the cleaning composition.

[0040] The peroxygen source may be H2O2 or a substance that releases H2O2 in water. The peroxygen source may be selected from the group consisting of perborates, percarbonates, perhydrates, peroxycarboxylic acids, persulfates, preoxydisulfates, diacyl peroxides, tetraacyl diperoxides, and combinations thereof. The peroxygen source may be selected from the group consisting of alkali metal perborates, alkali metal percarbonates, urea perhydrates, and combination thereof. The peroxygen source may comprises a peroxycarboxylic acid selected from diperoxydecanedicarboxylic acid, phthalimido peroxycaproic acid, or combinations thereof.

Acyl hydrazone bleach catalyst



[0041] The cleaning compositions of the present invention include an acyl hydrazone bleach catalyst. The acyl hydrazone bleach catalyst is preferably present in the cleaning composition at a level of from about 0.005% to about 1%, , or from about 0.01% to about 0.5%, by weight of the cleaning composition.

[0042] The acyl hydrazone bleach catalyst may have a structure according to the general Formula I:

in which R1 stands for a CF3 or for a C1-28 alkyl, C2-28 alkenyl, C2-22 alkynyl, C3-12 cycloalkyl, C3-12 cycloalkenyl, phenyl, naphthyl, C7-9 aralkyl, C3-20 heteroalkyl or C3-12 cycloheteroalkyl group, R2 and R3 independently of one another stand for hydrogen or an optionally substituted C1-28 alkyl, C2-28 alkenyl, C2-22 alkynyl, C3-12 cycloalkyl, C3-12 cycloalkenyl, C7-9 aralkyl, C3-28 heteroalkyl, C3-12 cycloheteroalkyl, C5-16 heteroaralkyl, phenyl, naphthyl or heteroaryl group or R2 and R3 together with the carbon atom linking them stand for an optionally substituted 5-, 6-, 7-, 8- or 9-membered ring that can optionally comprise heteroatoms, and R4 stands for hydrogen or a C1-28 alkyl, C2-28 alkenyl, C2-22 alkynyl, C3-12 cycloalkyl, C3-12 cycloalkenyl, C7-9 aralkyl, C3-20 heteroalkyl, C3-12 cycloheteroalkyl, C5-16 heteroaralkyl group or an optionally substituted phenyl or naphthyl or heteroaryl group.

[0043] The acyl hydrazone bleach catalyst may have a structure according to Formula I, wherein R1 stands for a C3-12 cycloheteroalkyl group, R2 and R3 independently of one another stand for hydrogen or an optionally substituted phenyl group, and R4 stands for hydrogen.

[0044] One particularly preferred acyl hydrazone bleach catalyst is 4-(2-(2-((2-hydroxyphenylmethyl)methylene)-hydrazinyl)-2-oxoethyl)-4-methylchloride, shown in Formula 2 below.

Without wishing to be bound by theory, the acyl hydrazone bleach catalysts described herein boost the bleaching action of peroxidic bleaching agents, without unduly damaging the substrate to be cleaned, for example the fabric. The peroxidic bleaching agents are preferably H2O2 or substances that release H2O2 in water, including in particular alkali metal perborates, alkali metal percarbonates and urea perhydrates; however, they may be also possibly employed combined with peroxycarboxylic acids, such as diperoxydecanedicarboxylic acid or phthalimido peroxycaproic acid, with other acids or acidic salts, such as alkali metal persulfates or alkali metal peroxydisulfates or Caroates, or with diacyl peroxides or tetraacyl diperoxides.

Adjuncts



[0045] The cleaning compositions described herein preferably include other adjunct components, for example selected from surfactants, fabric shading dyes, fabric care benefit agent; additional enzyme; deposition aid; rheology modifier; builder; chelant; bleach; bleaching agent; bleach precursor; bleach booster; bleach activator, bleach catalyst; perfume and/or perfume microcapsules; perfume loaded zeolite; starch encapsulated accord; polyglycerol esters; whitening agent; pearlescent agent; enzyme stabilizing systems; scavenging agents including fixing agents for anionic dyes, complexing agents for anionic surfactants, and mixtures thereof; optical brighteners or fluorescers; polymer including but not limited to soil release polymer and/or soil suspension polymer; dispersants; antifoam agents; non-aqueous solvent; fatty acid; suds suppressors, e.g., silicone suds suppressors; cationic starches; scum dispersants; substantive dyes; colorants; opacifier; antioxidant; hydrotropes such as toluenesulfonates, cumenesulfonates and naphthalenesulfonates; color speckles; colored beads, spheres or extrudates; clay softening agents; anti-bacterial agents. Additionally or alternatively, the compositions may comprise surfactants, and/or solvent systems. Quaternary ammonium compounds may be present, particularly in fabric enhancer compositions, such as fabric softeners, and comprise quaternary ammonium cations that are positively charged polyatomic ions of the structure NR4+, where R is an alkyl group or an aryl group.

Additional Enzymes



[0046] Preferably the composition of the invention comprises additional enzymes, for example selected from lipases, amylases, proteases, nucleases, pectate lyases, cellulases, cutinases, and mixtures thereof. The cleaning compositions preferably comprise one or more additional enzymes from the group selected from nucleases. The cleaning compositions preferably comprises one or more additional enzymes selected from the group amylases, lipases, proteases, pectate lyases, cellulases, cutinases, and mixtures thereof. Preferably, the cleaning compositions comprises one or more additional enzymes selected from amylases and proteases and mixtures thereof. Preferably the cleaning compositions comprise one or more additional enzymes selected from lipases. The compositions may also comprise hemicellulases, peroxidases, xylanases, pectinases, keratinases, reductases, oxidases, phenoloxidases, lipoxygenases, ligninases, pullulanases, tannases, pentosanases, malanases, β-glucanases, arabinosidases, hyaluronidase, chondroitinase, laccase and mixtures thereof. When present in the composition, the aforementioned additional enzymes may be present at levels from about 0.00001% to about 2%, from about 0.0001 % to about 1% or even from about 0.001 % to about 0.5% enzyme protein by weight of the composition. Preferably the or each additional enzyme is present in the laundering aqueous liquor in an amount of from 0.01ppm to 1000 ppm of the active enzyme protein, or from 0.05 or from 0.1ppm to 750 or 500ppm.

Nucleases



[0047] Preferably the composition additionally comprises a nuclease enzyme. The nuclease enzyme is an enzyme capable of cleaving the phosphodiester bonds between the nucleotide subunits of nucleic acids. Suitable nuclease enzymes may be deoxyribonuclease or ribonuclease enzyme or a functional fragment thereof. By functional fragment or part is meant the portion of the nuclease enzyme that catalyzes the cleavage of phosphodiester linkages in the DNA backbone and so is a region of said nuclease protein that retains catalytic activity. Thus it includes truncated, but functional versions, of the enzyme and/or variants and/or derivatives and/or homologues whose functionality is maintained.

[0048] Preferably the nuclease enzyme is a deoxyribonuclease, preferably selected from any of the classes E.C. 3.1.21.x, where x=1, 2, 3, 4, 5, 6, 7, 8 or 9, E.C. 3.1.22.y where y=1, 2, 4 or 5, E.C. 3.1.30.z where z= 1 or 2, E.C. 3.1.31.1 and mixtures thereof. Nuclease enzymes from class E.C. 3.1.21.x and especially where x=1 are particularly preferred. Nucleases in class E.C. 3.1.22.y cleave at the 5' hydroxyl to liberate 3' phosphomonoesters. Enzymes in class E.C. 3.1.30.z may be preferred as they act on both DNA and RNA and liberate 5'-phosphomonoesters. Suitable examples from class E.C. 3.1.31.2 are described in US2012/0135498A, such as SEQ ID NO:3 therein. Such enzymes are commercially available as DENARASE® enzyme from c-LECTA. Nuclease enzymes from class E.C. 3.1.31.1 produce 3'phosphomonoesters.

[0049] Preferably, the nuclease enzyme comprises a microbial enzyme. The nuclease enzyme may be fungal or bacterial in origin. Bacterial nucleases may be most preferred. Fungal nucleases may be most preferred.

[0050] The microbial nuclease is obtainable from Bacillus, such as a Bacillus licheniformis or Bacillus subtilis bacterial nucleases. A preferred nuclease is obtainable from Bacillus licheniformis, preferably from strain EI-34-6. A preferred deoxyribonuclease is a variant of Bacillus licheniformis, from strain EI-34-6 nucB deoxyribonuclease defined in SEQ ID NO:6 herein, or variant thereof, for example having at least 70% or 75% or 80% or 85% or 90% or 95%, 96%, 97%, 98%, 99% or 100% identical thereto. Other suitable nucleases are defined in SEQ ID NO: 7 herein, or variant thereof, for example having at least 70% or 75% or 80% or 85% or 90% or 95%, 96%, 97%, 98%, 99% or 100% identical thereto. Other suitable nucleases are defined in SEQ ID NO: 8 herein, or variant thereof, for example having at least 70% or 75% or 80% or 85% or 90% or 95%, 96%, 97%, 98%, 99% or 100% identical thereto.

[0051] A fungal nuclease is obtainable from Aspergillus, for example Aspergillus oryzae. A preferred nuclease is obtainable from Aspergillus oryzae defined in SEQ ID NO: 9 herein, or variant thereof, for example having at least 60% or 70% or 75% or 80% or 85% or 90% or 95%, 96%, 97%, 98%, 99% or 100% identical thereto.

[0052] Another suitable fungal nuclease is obtainable from Trichoderma, for example Trichoderma harzianum. A preferred nuclease is obtainable from Trichoderma harzianum defined in SEQ ID NO: 10 herein, or variant thereof, for example having at least 60% or 70% or 75% or 80% or 85% or 90% or 95%, 96%, 97%, 98%, 99% or 100% identical thereto.

[0053] Other fungal nucleases include those encoded by the DNA sequences of Aspergillus oryzae RIB40, Aspergillus oryzae 3.042, Aspergillus flavus NRRL3357, Aspergillus parasiticus SU-1, Aspergillus nomius NRRL13137, Trichoderma reesei QM6a, Trichoderma virens Gv29-8, Oidiodendron maius Zn, Metarhizium guizhouense ARSEF 977, Metarhizium majus ARSEF 297, Metarhizium robertsii ARSEF 23, Metarhizium acridum CQMa 102, Metarhizium brunneum ARSEF 3297, Metarhizium anisopliae, Colletotrichum fioriniae PJ7, Colletotrichum sublineola, Trichoderma atroviride IMI 206040, Tolypocladium ophioglossoides CBS 100239, Beauveria bassiana ARSEF 2860, Colletotrichum higginsianum, Hirsutella minnesotensis 3608, Scedosporium apiospermum, Phaeomoniella chlamydospora, Fusarium verticillioides 7600, Fusarium oxysporum f. sp. cubense race 4, Colletotrichum graminicola M1.001, Fusarium oxysporum FOSC 3-a, Fusarium avenaceum, Fusarium langsethiae, Grosmannia clavigera kw1407, Claviceps purpurea 20.1, Verticillium longisporum, Fusarium oxysporum f. sp. cubense race 1, Magnaporthe oryzae 70-15, Beauveria bassiana D1-5, Fusarium pseudograminearum CS3096, Neonectria ditissima, Magnaporthiopsis poae ATCC 64411, Cordyceps militaris CM01, Marssonina brunnea f. sp. 'multigermtubi' MB_m1, Diaporthe ampelina, Metarhizium album ARSEF 1941, Colletotrichum gloeosporioides Nara gc5, Madurella mycetomatis, Metarhizium brunneum ARSEF 3297, Verticillium alfalfae VaMs.102, Gaeumannomyces graminis var. tritici R3-111a-1, Nectria haematococca mpVI 77-13-4, Verticillium longisporum, Verticillium dahliae VdLs.17, Torrubiella hemipterigena, Verticillium longisporum, Verticillium dahliae VdLs.17, Botrytis cinerea B05.10, Chaetomium globosum CBS 148.51, Metarhizium anisopliae, Stemphylium lycopersici, Sclerotinia borealis F-4157, Metarhizium robertsii ARSEF 23, Myceliophthora thermophila ATCC 42464, Phaeosphaeria nodorum SN15, Phialophora attae, Ustilaginoidea virens, Diplodia seriata, Ophiostoma piceae UAMH 11346, Pseudogymnoascus pannorum VKM F-4515 (FW-2607), Bipolaris oryzae ATCC 44560, Metarhizium guizhouense ARSEF 977, Chaetomium thermophilum var. thermophilum DSM 1495, Pestalotiopsis fici W106-1, Bipolaris zeicola 26-R-13, Setosphaeria turcica Et28A, Arthroderma otae CBS 113480 and Pyrenophora tritici-repentis Pt-1C-BFP.

[0054] Preferably the nuclease is an isolated nuclease.

[0055] Preferably the nuclease enzyme is present in the laundering aqueous liquor in an amount of from 0.01ppm to 1000 ppm of the nuclease enzyme, or from 0.05 or from 0.1 ppm to 750 or 500ppm.

Acetylglucosaminidases.



[0056] Preferably the composition comprises an acetylglucosaminidase enzyme, preferably a β-N-acetylglucosaminidase enzyme from E.C. 3.2.1.52, preferably an enzyme having at least 70%, or at least 75% or at least 80% or at least 85% or at least 90% or at least 95% or at least 96% or at least 97% or at least 98% or at least 99% or at least or 100% identity to SEQ ID NO: 11.

Galactanase Enzyme



[0057] The compositions preferably additionally comprise an endo-beta-1,6-galactanase enzyme an extracellular polymer-degrading enzyme. The term "endo-beta-1,6-galactanase" or "a polypeptide having endo-beta-1,6-galactanase activity" means a endo-beta-1,6-galactanase activity (EC 3.2.1.164) that catalyzes the hydrolytic cleavage of 1,6-3-D-galactooligosaccharides with a degree of polymerization (DP) higher than 3, and their acidic derivatives with 4-O-methylglucosyluronate or glucosyluronate groups at the non-reducing terminals.

[0058] For purposes of the present disclosure, endo-beta-1,6-galactanase activity is determined according to the procedure described in WO 2015185689 in Assay I. Suitable examples from class EC 3.2.1.164 are described in WO 2015185689, such as the mature polypeptide SEQ ID NO: 2 described therein. Preferably the galactanase enzyme is selected from Glycoside Hydrolase (GH) Family 30.

[0059] Preferably, the endo-beta-1,6-galactanase comprises a microbial enzyme. The endo-beta-1,6-galactanase may be fungal or bacterial in origin. Bacterial endo-beta-1,6-galactanase may be most preferred. Fungal endo-beta-1,6-galactanase may be most preferred.

[0060] A bacterial endo-beta-1,6-galactanase is obtainable from Streptomyces, for example Streptomyces davawensis. A preferred endo-beta-1,6-galactanase is obtainable from Streptomyces davawensis JCM 4913 defined in SEQ ID NO: 12 herein, or a variant thereof, for example having at least 40% or 50% or 60% or 70% or 75% or 80% or 85% or 90% or 95%, 96%, 97%, 98%, 99% or 100% identity thereto.

[0061] Other bacterial endo-beta-1,6-galactanase include those encoded by the DNA sequences of Streptomyces avermitilis MA-4680 with the amino acid sequence SEQ ID NO: 13 herein, or a variant thereof, for example having at least 40% or 50% or 60% or 70% or 75% or 80% or 85% or 90% or 95%, 96%, 97%, 98%, 99% or 100% identity thereto.

[0062] A fungal endo-beta-1,6-galactanase is obtainable from Trichoderma, for example Trichoderma harzianum. A preferred endo-beta-1,6-galactanase is obtainable from Trichoderma harzianum defined in SEQ ID NO: 14 herein, or a variant thereof, for example having at least 40% or 50% or 60% or 70% or 75% or 80% or 85% or 90% or 95%, 96%, 97%, 98%, 99% or 100% identical thereto.

[0063] Other fungal endo-beta-1,6-galactanases include those encoded by the DNA sequences of Ceratocystis fimbriata f. sp. Platani, Muscodor strobelii WG-2009a, Oculimacula yallundae, Trichoderma viride GD36A, Thermomyces stellatus, Myceliophthora thermophilia.

[0064] Preferably the galactanase has an amino acid sequence having at least 60%, or at least 80%, or at least 90% or at least 95% identity with the amino acid sequence shown in SEQ ID NO:12, SEQ ID NO:13 or SEQ ID NO:14. Preferably the galactanase is an isolated galactanase.

[0065] Preferably the galactanase enzyme is present in a laundering aqueous liquor in an amount of from 0.01ppm to 1000 ppm of the galactanase enzyme, or from 0.05 or from 0.1ppm to 750 or 500ppm.

[0066] The compositions of the invention comprising both mannanase and galactanase may be particularly effective against sticky soils and for improved cleaning. It is believed the two enzymes function together in a complementary way.

Further Glycosyl Hydrolases



[0067] The composition may comprise a glycoside hydrolase selected from GH family 39 and GH family 114 and mixtures thereof, for example as described in co-pending applications having applicants reference numbers CM4645FM and CM4646 FM, respectively.

Proteases.



[0068] Preferably the composition comprises one or more proteases. Suitable proteases include metalloproteases and serine proteases, including neutral or alkaline microbial serine proteases, such as subtilisins (EC 3.4.21.62). Suitable proteases include those of animal, vegetable or microbial origin. In one aspect, such suitable protease may be of microbial origin. The suitable proteases include chemically or genetically modified mutants of the aforementioned suitable proteases. In one aspect, the suitable protease may be a serine protease, such as an alkaline microbial protease or/and a trypsin-type protease. Examples of suitable neutral or alkaline proteases include:
  1. (a) subtilisins (EC 3.4.21.62), preferably those derived from Bacillus sp., such as B. lentus, B. alkalophilus, B. subtilis, B. amyloliquefaciens, B. pumilus and B. gibsonii and B. akibaii described in WO2004067737, WO2015091989, WO2015091990, WO2015024739, WO2015143360, US 6,312,936 B1, US 5,679,630, US 4,760,025, US7,262,042 and WO09/021867, DE102006022216A1, DE102006022224A1, WO2015089447, WO2015089441, WO2016066756, WO2016066757, WO2016069557, WO2016069563, WO2016069569..
  2. (b) trypsin-type or chymotrypsin-type proteases, such as trypsin (e.g., of porcine or bovine origin), including the Fusarium protease described in WO 89/06270 and the chymotrypsin proteases derived from Cellumonas described in WO 05/052161 and WO 05/052146.
  3. (c) metalloproteases, preferably those derived from Bacillus amyloliquefaciens described in WO 07/044993A2; from Bacillus, Brevibacillus, Thermoactinomyces, Geobacillus, Paenibacillus, Lysinibacillus or Streptomyces spp. Described in WO2014194032, WO2014194054 and WO2014194117; from Kribella alluminosa described in WO2015193488; and from Streptomyces and Lysobacter described in WO2016075078.
  4. (d) protease having at least 90% identity to the subtilase from Bacillus sp. TY145, NCIMB 40339, described in WO92/17577 (Novozymes A/S), including the variants of this Bacillus sp TY145 subtilase described in WO2015024739, and WO2016066757.


[0069] Preferred proteases include those derived from Bacillus gibsonii or Bacillus Lentus.

[0070] Suitable commercially available protease enzymes include those sold under the trade names Alcalase®, Savinase®, Primase®, Durazym®, Polarzyme®, Kannase®, Liquanase®, Liquanase Ultra®, Savinase Ultra®, Ovozyme®, Neutrase®, Everlase® and Esperase® by Novozymes A/S (Denmark), those sold under the tradename Maxatase®, Maxacal®, Maxapem®, Properase®, Purafect®, Purafect Prime®, Purafect Ox®, FN3® , FN4®, Excellase® and Purafect OXP® by Genencor International, those sold under the tradename Opticlean® and Optimase® by Solvay Enzymes, those available from Henkel/ Kemira, namely BLAP (sequence shown in Figure 29 of US 5,352,604 with the following mutations S99D + S101 R + S103A + V104I + G159S, hereinafter referred to as BLAP), BLAP R (BLAP with S3T + V4I + V199M + V205I + L217D), BLAP X (BLAP with S3T + V4I + V205I) and BLAP F49 (BLAP with S3T + V4I + A194P + V199M + V205I + L217D) - all from Henkel/Kemira; and KAP (Bacillus alkalophilus subtilisin with mutations A230V + S256G + S259N) from Kao, or as disclosed in WO2009/149144, WO2009/149145, WO2010/56653, WO2010/56640, WO2011/072117, US2011/0237487, WO2011/140316, WO2012/151480, EP2510092, EP2566960 OR EP2705145.

Amylases



[0071] Preferably the composition may comprise an amylase. Suitable alpha-amylases include those of bacterial or fungal origin. Chemically or genetically modified mutants (variants) are included. A preferred alkaline alpha-amylase is derived from a strain of Bacillus, such as Bacillus licheniformis, Bacillus amyloliquefaciens, Bacillus stearothermophilus, Bacillus subtilis, or other Bacillus sp., such as Bacillus sp. NCIB 12289, NCIB 12512, NCIB 12513, DSM 9375 (USP 7,153,818) DSM 12368, DSMZ no. 12649, KSM AP1378 (WO 97/00324), KSM K36 or KSM K38 (EP 1,022,334). Preferred amylases include:
  1. (a) the variants described in WO 94/02597, WO 94/18314, WO96/23874 and WO 97/43424, especially the variants with substitutions in one or more of the following positions versus the enzyme listed as SEQ ID No. 2 in WO 96/23874: 15, 23, 105, 106, 124, 128, 133, 154, 156, 181 , 188, 190, 197, 202, 208, 209, 243, 264, 304, 305, 391, 408, and 444.
  2. (b) the variants described in USP 5,856,164 and WO99/23211, WO 96/23873, WO00/60060 and WO 06/002643, especially the variants with one or more substitutions in the following positions versus the AA560 enzyme listed as SEQ ID No. 12 in WO 06/002643:
    26, 30, 33, 82, 37, 106, 118, 128, 133, 149, 150, 160, 178, 182, 186, 193, 203, 214, 231, 256, 257, 258, 269, 270, 272, 283, 295, 296, 298, 299, 303, 304, 305, 311, 314, 315, 318, 319, 339, 345, 361, 378, 383, 419, 421, 437, 441, 444, 445, 446, 447, 450, 461, 471, 482, 484, preferably that also contain the deletions of D183* and G184*.
  3. (c) variants exhibiting at least 90% identity with SEQ ID No. 4 in WO06/002643, the wild-type enzyme from Bacillus SP722, especially variants with deletions in the 183 and 184 positions and variants described in WO 00/60060, which is incorporated herein by reference.
  4. (d) variants exhibiting at least 95% identity with the wild-type enzyme from Bacillus sp.707 (SEQ ID NO:7 in US 6,093, 562), especially those comprising one or more of the following mutations M202, M208, S255, R172, and/or M261. Preferably said amylase comprises one or more of M202L, M202V, M202S, M202T, M202I, M202Q, M202W, S255N and/or R172Q. Particularly preferred are those comprising the M202L or M202T mutations.
  5. (e) variants described in WO 09/149130, preferably those exhibiting at least 90% identity with SEQ ID NO: 1 or SEQ ID NO:2 in WO 09/149130, the wild-type enzyme from Geobacillus Stearophermophilus or a truncated version thereof;
  6. (f) variants as described in EP2540825 and EP2357220, EP2534233; (g) variants as described in WO2009100102 and WO2010115028.


[0072] Suitable commercially available alpha-amylases include DURAMYL®, LIQUEZYME®, TERMAMYL®, TERMAMYL ULTRA®, NATALASE®, SUPRAMYL®, STAINZYME®, STAINZYME PLUS®, FUNGAMYL® and BAN® (Novozymes A/S, Bagsvaerd, Denmark), KEMZYM® AT 9000 Biozym Biotech Trading GmbH Wehlistrasse 27b A-1200 Wien Austria, RAPIDASE®, PURASTAR®, ENZYSIZE®, OPTISIZE HT PLUS®, POWERASE® and PURASTAR OXAM® (Genencor International Inc., Palo Alto, California) and KAM® (Kao, 14-10 Nihonbashi Kayabacho, 1-chome, Chuo-ku Tokyo 103-8210, Japan). In one aspect, suitable amylases include NATALASE®, STAINZYME® and STAINZYME PLUS® and mixtures thereof.

Lipases



[0073] Preferably the composition comprises one or more lipases, including "first cycle lipases" such as those described in U.S. Patent 6,939,702 B1 and US PA 2009/0217464. Preferred lipases are first-wash lipases. In one embodiment of the invention the composition comprises a first wash lipase. First wash lipases includes a lipase which is a polypeptide having an amino acid sequence which: (a) has at least 90% identity with the wild-type lipase derived from Humicola lanuginosa strain DSM 4109; (b) compared to said wild-type lipase, comprises a substitution of an electrically neutral or negatively charged amino acid at the surface of the three-dimensional structure within 15A of E1 or Q249 with a positively charged amino acid; and (c) comprises a peptide addition at the C-terminal; and/or (d) comprises a peptide addition at the N-terminal and/or (e) meets the following limitations: i) comprises a negative amino acid in position E210 of said wild-type lipase; ii) comprises a negatively charged amino acid in the region corresponding to positions 90-101 of said wild-type lipase; and iii) comprises a neutral or negative amino acid at a position corresponding to N94 or said wild-type lipase and/or has a negative or neutral net electric charge in the region corresponding to positions 90-101 of said wild-type lipase. Preferred are variants of the wild-type lipase from Thermomyces lanuginosus comprising one or more of the T231R and N233R mutations. The wild-type sequence is the 269 amino acids (amino acids 23 - 291) of the Swissprot accession number Swiss-Prot 059952 (derived from Thermomyces lanuginosus (Humicola lanuginosa)). Preferred lipases include those sold under the tradenames Lipex® and Lipolex® and Lipoclean®. Other suitable lipases include those described in European Patent Application No. 12001034.3 or EP2623586.

Endoglucanases



[0074] Other preferred enzymes include microbial-derived endoglucanases exhibiting endo-beta-1,4-glucanase activity (E.C. 3.2.1.4), including a bacterial polypeptide endogenous to a member of the genus Bacillus which has a sequence of at least 90%, 94%, 97% and even 99% identity to the amino acid sequence SEQ ID NO:2 in US7,141,403B2) and mixtures thereof. Suitable endoglucanases are sold under the tradenames Celluclean® and Whitezyme® (Novozymes A/S, Bagsvaerd, Denmark).

Pectate Lyases



[0075] Other preferred enzymes include pectate lyases sold under the tradenames Pectawash®, Pectaway®, Xpect® and mannanases sold under the tradenames Mannaway® (all from Novozymes A/S, Bagsvaerd, Denmark), and Purabrite® (Genencor International Inc., Palo Alto, California).

Cleaning Cellulase



[0076] The cleaning composition described herein may additionally comprise a cleaning cellulase. The cellulase may be an endoglucanase. The cellulase may have endo beta 1,4-glucanase activity and a structure which does not comprise a class A Carbohydrate Binding Module (CBM). A class A CBM is defined according to A. B. Boraston et al. Biochemical Journal 2004, Volume 382 (part 3) pages 769-781. In particular, the cellulase does not comprise a class A CBM from families 1, 2a, 3, 5 and 10.

[0077] The cellulase may be a glycosyl hydrolase having enzymatic activity towards amorphous cellulose substrates, wherein the glycosyl hydrolase is selected from GH families 5, 7, 12, 16, 44 or 74. Preferably, the cellulase is a glycosyl hydrolase selected from GH family 5. A preferred cellulase is Celluclean, supplied by Novozymes. This preferred cellulase is described in more detail in WO2002/099091. The glycosyl hydrolase (GH) family definition is described in more detail in Biochem J. 1991, v280, 309-316. Another preferred cellulase is a glycosyl hydrolase having enzymatic activity towards both xyloglucan and amorphous cellulose substrates, wherein the glycosyl hydrolase is selected from GH families 5, 12, 44 or 74. Preferably, the glycosyl hydrolase selected from GH family 44.

[0078] For purposes of the present invention, the degree of identity between two amino acid sequences is determined using the Needleman-Wunsch algorithm (Needleman and Wunsch, 1970, J. Mol. Biol. 48: 443-453) as implemented in the Needle program of the EMBOSS package (EMBOSS: The European Molecular Biology Open Software Suite, Rice et al., 2000, Trends in Genetics 16: 276-277), preferably version 3.0.0 or later. The optional parameters used are gap open penalty of 10, gap extension penalty of 0.5, and the EBLOSUM62 (EMBOSS version of BLOSUM62) substitution matrix. The output of Needle labeled "longest identity" (obtained using the -nobrief option) is used as the percent identity and is calculated as follows: (Identical Residues x 100)/(Length of Alignment - Total Number of Gaps in Alignment).

[0079] Suitable cleaning cellulase glycosyl hydrolases are selected from the group consisting of: GH family 44 glycosyl hydrolases from Paenibacillus polyxyma (wild-type) such as XYG1006 described in WO 01/062903 or are variants thereof; GH family 12 glycosyl hydrolases from Bacillus licheniformis (wild-type) such as Seq. No. ID: 1 described in WO 99/02663 or are variants thereof; GH family 5 glycosyl hydrolases from Bacillus agaradhaerens (wild type) or variants thereof; GH family 5 glycosyl hydrolases from Paenibacillus (wild type) such as XYG1034 and XYG 1022described in WO 01/064853 or variants thereof; GH family 74 glycosyl hydrolases from Jonesia sp. (wild type) such as XYG1020 described in WO 2002/077242 or variants thereof; and GH family 74 glycosyl hydrolases from Trichoderma Reesei (wild type), such as the enzyme described in more detail in Sequence ID no. 2 of WO03/089598, or variants thereof.

[0080] Preferred glycosyl hydrolases are selected from the group consisting of: GH family 44 glycosyl hydrolases from Paenibacillus polyxyma (wild-type) such as XYG1006 or are variants thereof.

[0081] Typically, the cellulase modifies the fabric surface during the laundering process so as to improve the removal of soils adhered to the fabric after the laundering process during wearing and usage of the fabric, in subsequent wash cycles. Preferably, the cellulase modifies the fabric surface during the laundering process so as to improve the removal of soils adhered to the fabric after the laundering process during wearing and usage of the fabric, in the subsequent two, or even three wash cycles.

[0082] Typically, the cellulase is used at a concentration of 0.005ppm to 1.0ppm in the aqueous liquor during the first laundering process. Preferably, the cellulase is used at a concentration of 0.02ppm to 0.5ppm in the aqueous liquor during the first laundering process.

Surfactant system



[0083] The cleaning composition preferably comprises a surfactant system. The cleaning composition preferably comprises from about 1% to about 80%, or from 1% to about 60%, preferably from about 5% to about 50% more preferably from about 8% to about 40%, by weight of the cleaning composition, of a surfactant system.

[0084] Surfactants suitable for use in the surfactant system may be derived from natural and/or renewable sources.

[0085] The surfactant system may comprise an anionic surfactant, more preferably an anionic surfactant selected from the group consisting of, alkyl benzene sulfonate, alkyl sulfate, alkyl alkoxy sulfate, especially alkyl ethoxy sulfate, paraffin sulfonate and mixtures thereof, alkyl benzene sulfonates are particularly preferred. The surfactant system may further comprise a surfactant selected from the group consisting of nonionic surfactant, cationic surfactant, amphoteric surfactant, zwitterionic surfactant, and mixtures thereof. The surfactant system preferably comprises a nonionic surfactant, for example an ethoxylated nonionic surfactant. The surfactant system may comprise an amphoteric surfactant, for example an amine oxide surfactant, such as an alkyl dimethyl amine oxide. The surfactant system may comprise a zwitterionic surfactant, such as a betaine.

[0086] The most preferred surfactant system for the detergent composition of the present invention comprises from 1% to 40%, preferably 6% to 35%, more preferably 8% to 30% weight of the total composition of an anionic surfactant, preferably comprising an alkyl benzene sulphonate. The preferred surfactant system may optionally in addition comprise an alkyl alkoxy sulfate surfactant, more preferably an alkyl ethoxy sulfate, optionally combined with 0.5% to 15%, preferably from 1% to 12%, more preferably from 2% to 10% by weight of the composition of amphoteric and/or zwitterionic surfactant, more preferably an amphoteric and even more preferably an amine oxide surfactant, especially an alkyl dimethyl amine oxide.

[0087] Preferably the composition further comprises a nonionic surfactant, especially an alcohol alkoxylate in particular an alcohol ethoxylate nonionic surfactant. Most preferably the surfactant system comprises an anionic and a nonionic surfactant, preferably the weight ratio of the anionic to nonionic surfactant is from 25:1 to 1:2.

Anionic surfactant



[0088] Anionic surfactants may be in salt form or acid form, typically in the form of a water-soluble sodium, potassium, ammonium, magnesium or mono-, di- or tri- C2-C3 alkanolammonium salt, with the sodium cation being the usual one chosen.

Sulfonate Surfactant



[0089] Suitable anionic sulfonate surfactants for use herein include water-soluble salts of C8-C18 alkyl or hydroxyalkyl sulfonates; C11-C18 alkyl benzene sulfonates (LAS), modified alkylbenzene sulfonate (MLAS) as discussed in WO 99/05243, WO 99/05242, WO 99/05244, WO 99/05082, WO 99/05084, WO 99/05241, WO 99/07656, WO 00/23549, and WO 00/23548; methyl ester sulfonate (MES); and alpha-olefin sulfonate (AOS). Those also include the paraffin sulfonates may be monosulfonates and/or disulfonates, obtained by sulfonating paraffins of 10 to 20 carbon atoms. The sulfonate surfactant may also include the alkyl glyceryl sulfonate surfactants.

Sulfated anionic surfactant



[0090] Preferably the sulfated anionic surfactant is alkoxylated, more preferably, an alkoxylated branched sulfated anionic surfactant having an alkoxylation degree of from about 0.2 to about 4, even more preferably from about 0.3 to about 3, even more preferably from about 0.4 to about 1.5 and especially from about 0.4 to about 1. Preferably, the alkoxy group is ethoxy. When the sulfated anionic surfactant is a mixture of sulfated anionic surfactants, the alkoxylation degree is the weight average alkoxylation degree of all the components of the mixture (weight average alkoxylation degree). In the weight average alkoxylation degree calculation the weight of sulfated anionic surfactant components not having alkoxylated groups should also be included.

wherein x1, x2, ... are the weights in grams of each sulfated anionic surfactant of the mixture and alkoxylation degree is the number of alkoxy groups in each sulfated anionic surfactant.

[0091] Preferably, the branching group is an alkyl. Typically, the alkyl is selected from methyl, ethyl, propyl, butyl, pentyl, cyclic alkyl groups and mixtures thereof. Single or multiple alkyl branches could be present on the main hydrocarbyl chain of the starting alcohol(s) used to produce the sulfated anionic surfactant used in the detergent of the invention. Most preferably the branched sulfated anionic surfactant is selected from alkyl sulfates, alkyl ethoxy sulfates, and mixtures thereof.

[0092] The branched sulfated anionic surfactant can be a single anionic surfactant or a mixture of anionic surfactants. In the case of a single surfactant the percentage of branching refers to the weight percentage of the hydrocarbyl chains that are branched in the original alcohol from which the surfactant is derived.

[0093] In the case of a surfactant mixture the percentage of branching is the weight average and it is defined according to the following formula:

wherein x1, x2, ... are the weight in grams of each alcohol in the total alcohol mixture of the alcohols which were used as starting material for the anionic surfactant for the detergent of the invention. In the weight average branching degree calculation the weight of anionic surfactant components not having branched groups should also be included.

[0094] Suitable sulfate surfactants for use herein include water-soluble salts of C8-C18 alkyl or hydroxyalkyl, sulfate and/or ether sulfate. Suitable counterions include alkali metal cation or ammonium or substituted ammonium, but preferably sodium.

[0095] The sulfate surfactants may be selected from C8-C18 primary, branched chain and random alkyl sulfates (AS); C8-C18 secondary (2,3) alkyl sulfates; C8-C18 alkyl alkoxy sulfates (AExS) wherein preferably x is from 1-30 in which the alkoxy group could be selected from ethoxy, propoxy, butoxy or even higher alkoxy groups and mixtures thereof.

[0096] Alkyl sulfates and alkyl alkoxy sulfates are commercially available with a variety of chain lengths, ethoxylation and branching degrees. Commercially available sulfates include, those based on Neodol alcohols ex the Shell company, Lial - Isalchem and Safol ex the Sasol company, natural alcohols ex The Procter & Gamble Chemicals company.

[0097] Preferred alkyl sulfates are those in which the anionic surfactant is an alkyl ethoxy sulfate with a degree of ethoxylation of from about 0.2 to about 3, more preferably from about 0.3 to about 2, even more preferably from about 0.4 to about 1.5, and especially from about 0.4 to about 1. They are also preferred anionic surfactant having a level of branching of from about 5% to about 40%, even more preferably from about 10% to 35% and especially from about 20% to 30%.

Nonionic surfactant



[0098] Preferably the surfactant system comprises a nonionic surfactant, in an amount of from 0.1% to 40%, preferably 0.2% to 20%, most preferably 0.5% to 10% by weight of the composition. Suitable nonionic surfactants include the condensation products of aliphatic alcohols with from 1 to 25 moles of ethylene oxide. The alkyl chain of the aliphatic alcohol can either be straight or branched, primary or secondary, and generally contains from 8 to 22 carbon atoms. Particularly preferred are the condensation products of alcohols having an alkyl group containing from 10 to 18 carbon atoms, preferably from 10 to 15 carbon atoms with from 2 to 18 moles, preferably 2 to 15, more preferably 5-12 of ethylene oxide per mole of alcohol. Highly preferred nonionic surfactants are the condensation products of guerbet alcohols with from 2 to 18 moles, preferably 2 to 15, more preferably 5-12 of ethylene oxide per mole of alcohol.

[0099] Other suitable non-ionic surfactants for use herein include fatty alcohol polyglycol ethers, alkylpolyglucosides and fatty acid glucamides.

Amphoteric surfactant



[0100] The surfactant system may include amphoteric surfactant, such as amine oxide. Preferred amine oxides are alkyl dimethyl amine oxide or alkyl amido propyl dimethyl amine oxide, more preferably alkyl dimethyl amine oxide and especially coco dimethyl amino oxide. Amine oxide may have a linear or mid-branched alkyl moiety. Typical linear amine oxides include water-soluble amine oxides containing one R1 C8-18 alkyl moiety and 2 R2 and R3 moieties selected from the group consisting of C1-3 alkyl groups and C1-3 hydroxyalkyl groups. Preferably amine oxide is characterized by the formula R1 - N(R2)(R3) O wherein R1 is a C8-18 alkyl and R2 and R3 are selected from the group consisting of methyl, ethyl, propyl, isopropyl, 2-hydroxethyl, 2-hydroxypropyl and 3-hydroxypropyl. The linear amine oxide surfactants in particular may include linear C10-C18 alkyl dimethyl amine oxides and linear C8-C12 alkoxy ethyl dihydroxy ethyl amine oxides. Preferred amine oxides include linear C10, linear C10-C12, and linear C12-C14 alkyl dimethyl amine oxides. As used herein "mid-branched" means that the amine oxide has one alkyl moiety having n1 carbon atoms with one alkyl branch on the alkyl moiety having n2 carbon atoms. The alkyl branch is located on the α carbon from the nitrogen on the alkyl moiety. This type of branching for the amine oxide is also known in the art as an internal amine oxide. The total sum of n1 and n2 is from 10 to 24 carbon atoms, preferably from 12 to 20, and more preferably from 10 to 16. The number of carbon atoms for the one alkyl moiety (n1) should be approximately the same number of carbon atoms as the one alkyl branch (n2) such that the one alkyl moiety and the one alkyl branch are symmetric. As used herein "symmetric" means that |n1 - n2| is less than or equal to 5, preferably 4, most preferably from 0 to 4 carbon atoms in at least 50 wt%, more preferably at least 75 wt% to 100 wt% of the mid-branched amine oxides for use herein.

[0101] The amine oxide may further comprise two moieties, independently selected from a C1-3 alkyl, a C1-3 hydroxyalkyl group, or a polyethylene oxide group containing an average of from about 1 to about 3 ethylene oxide groups. Preferably the two moieties are selected from a C1-3 alkyl, more preferably both are selected as a C1 alkyl.

Zwitterionic surfactant



[0102] Other suitable surfactants include betaines, such as alkyl betaines, alkylamidobetaine, amidazoliniumbetaine, sulfobetaine (INCI Sultaines) as well as the Phosphobetaine and preferably meets formula (I):

         R1-[CO-X(CH2)n]x-N+(R2)(R3)-(CH2)m-[CH(OH)-CH2]y-Y-     (I)

wherein

R1 is a saturated or unsaturated C6-22 alkyl residue, preferably C8-18 alkyl residue, in particular a saturated C10-16 alkyl residue, for example a saturated C12-14 alkyl residue;

X is NH, NR4 with C1-4 Alkyl residue R4, O or S,

n a number from 1 to 10, preferably 2 to 5, in particular 3,

x 0 or 1, preferably 1,

R2, R3 are independently a C1-4 alkyl residue, potentially hydroxy substituted such as a hydroxyethyl, preferably a methyl.

m a number from 1 to 4, in particular 1, 2 or 3,

y 0 or 1 and

Y is COO, SO3, OPO(OR5)O or P(O)(OR5)O, whereby R5 is a hydrogen atom H or a C1-4 alkyl residue.



[0103] Preferred betaines are the alkyl betaines of the formula (Ia), the alkyl amido propyl betaine of the formula (Ib), the Sulfo betaines of the formula (Ic) and the Amido sulfobetaine of the formula (Id);

         R1-N+(CH3)2-CH2COO-     (Ia)

         R1-CO-NH(CH2)3-N+(CH3)2-CH2COO-     (Ib)

         R1-N+(CH3)2-CH2CH(OH)CH2SO3-     (Ic)

         R1-CO-NH-(CH2)3-N+(CH3)2-CH2CH(OH)CH2SO3-     (Id)

in which R11 as the same meaning as in formula I. Particularly preferred betaines are the Carbobetaine [wherein Y-=COO-], in particular the Carbobetaine of the formula (Ia) and (Ib), more preferred are the Alkylamidobetaine of the formula (Ib).

[0104] Examples of suitable betaines and sulfobetaine are the following [designated in accordance with INCI]: Almondamidopropyl of betaines, Apricotam idopropyl betaines, Avocadamidopropyl of betaines, Babassuamidopropyl of betaines, Behenam idopropyl betaines, Behenyl of betaines, betaines, Canolam idopropyl betaines, Capryl/Capram idopropyl betaines, Carnitine, Cetyl of betaines, Cocamidoethyl of betaines, Cocam idopropyl betaines, Cocam idopropyl Hydroxysultaine, Coco betaines, Coco Hydroxysultaine, Coco/Oleam idopropyl betaines, Coco Sultaine, Decyl of betaines, Dihydroxyethyl Oleyl Glycinate, Dihydroxyethyl Soy Glycinate, Dihydroxyethyl Stearyl Glycinate, Dihydroxyethyl Tallow Glycinate, Dimethicone Propyl of PG-betaines, Erucam idopropyl Hydroxysultaine, Hydrogenated Tallow of betaines, Isostearam idopropyl betaines, Lauram idopropyl betaines, Lauryl of betaines, Lauryl Hydroxysultaine, Lauryl Sultaine, MiIkam idopropyl betaines, Minkamidopropyl of betaines, Myristam idopropyl betaines, Myristyl of betaines, Oleam idopropyl betaines, Oleam idopropyl Hydroxysultaine, Oleyl of betaines, Olivamidopropyl of betaines, Palmam idopropyl betaines, Palm itam idopropyl betaines, Palmitoyl Carnitine, Palm Kernelam idopropyl betaines, Polytetrafluoroethylene Acetoxypropyl of betaines, Ricinoleam idopropyl betaines, Sesam idopropyl betaines, Soyam idopropyl betaines, Stearam idopropyl betaines, Stearyl of betaines, Tallowam idopropyl betaines, Tallowam idopropyl Hydroxysultaine, Tallow of betaines, Tallow Dihydroxyethyl of betaines, Undecylenam idopropyl betaines and Wheat Germam idopropyl betaines. A preferred betaine is, for example, Cocoamidopropylbetaine.

Fatty Acid



[0105] Especially when in liquid form, preferably, the detergent composition comprises between 1.5% and 20%, more preferably between 2% and 15%, even more preferably between 3% and 10%, most preferably between 4% and 8% by weight of the liquid detergent composition of soap, preferably a fatty acid salt, more preferably an amine neutralized fatty acid salt, wherein preferably the amine is an alkanolamine more preferably selected from monoethanolamine, diethanolamine, triethanolamine or a mixture thereof, more preferably monoethanolamine.

Perfume



[0106] Preferred compositions of the invention comprise perfume. Typically the composition comprises a perfume that comprises one or more perfume raw materials, selected from the group as described in WO08/87497. However, any perfume useful in a detergent may be used. A preferred method of incorporating perfume into the compositions of the invention is via an encapsulated perfume particle comprising either a water-soluble hydroxylic compound or melamine-formaldehyde or modified polyvinyl alcohol. In one aspect the encapsulate comprises (a) an at least partially water-soluble solid matrix comprising one or more water-soluble hydroxylic compounds, preferably starch; and (b) a perfume oil encapsulated by the solid matrix. In a further aspect the perfume may be pre-complexed with a polyamine, preferably a polyethylenimine so as to form a Schiff base.

Polymers



[0107] The detergent composition may comprise one or more polymers for example for cleaning and/or care.Examples are optionally modified carboxymethylcellulose, poly (ethylene glycol), poly(vinyl alcohol), polycarboxylates such as polyacrylates, maleic/acrylic acid copolymers and lauryl methacrylate/acrylic acid co-polymers and carboxylate polymers.

[0108] Suitable carboxylate polymers include maleate/acrylate random copolymer or polyacrylate homopolymer. The carboxylate polymer may be a polyacrylate homopolymer having a molecular weight of from 4,000 Da to 9,000 Da, or from 6,000 Da to 9,000 Da. Other suitable carboxylate polymers are co-polymers of maleic acid and acrylic acid, and may have a molecular weight in the range of from 4,000 Da to 90,000 Da.

[0109] Other suitable carboxylate polymers are co-polymers comprising: (i) from 50 to less than 98 wt% structural units derived from one or more monomers comprising carboxyl groups; (ii) from 1 to less than 49 wt% structural units derived from one or more monomers comprising sulfonate moieties; and (iii) from 1 to 49 wt% structural units derived from one or more types of monomers selected from ether bond-containing monomers represented by formulas (I) and (II):

wherein in formula (I), R0 represents a hydrogen atom or CH3 group, R represents a CH2 group, CH2CH2 group or single bond, X represents a number 0-5 provided X represents a number 1-5 when R is a single bond, and R1 is a hydrogen atom or C1 to C20 organic group;

in formula (II), R0 represents a hydrogen atom or CH3 group, R represents a CH2 group, CH2CH2 group or single bond, X represents a number 0-5, and R1 is a hydrogen atom or C1 to C20 organic group.

[0110] The composition may comprise one or more amphiphilic cleaning polymers such as the compound having the following general structure: bis((C2H5O)(C2H4O)n)(CH3)-N+-CxH2x-N+-(CH3)-bis((C2H5O)(C2H4O)n), wherein n = from 20 to 30, and x = from 3 to 8, or sulphated or sulphonated variants thereof. In one aspect, this polymer is sulphated or sulphonated to provide a zwitterionic soil suspension polymer.

[0111] The composition preferably comprises amphiphilic alkoxylated grease cleaning polymers which have balanced hydrophilic and properties such that they remove grease particles from fabrics and surfaces. Preferred amphiphilic alkoxylated grease cleaning polymers comprise a core structure and a plurality of alkoxylate groups attached to that core structure. These may comprise alkoxylated polyalkylenimines, preferably having an inner polyethylene oxide block and an outer polypropylene oxide block. Typically these may be incorporated into the compositions of the invention in amounts of from 0.005 to 10 wt%, generally from 0.5 to 8 wt%.

[0112] Alkoxylated polycarboxylates such as those prepared from polyacrylates are useful herein to provide additional grease removal performance. Such materials are described in WO 91/08281 and PCT 90/01815. Chemically, these materials comprise polyacrylates having one ethoxy side-chain per every 7-8 acrylate units. The side-chains are of the formula -(CH2CH2O)m (CH2)nCH3 wherein m is 2-3 and n is 6-12. The side-chains are ester-linked to the polyacrylate "backbone" to provide a "comb" polymer type structure. The molecular weight can vary, but is typically in the range of about 2000 to about 50,000. Such alkoxylated polycarboxylates can comprise from about 0.05% to about 10%, by weight, of the compositions herein.

[0113] The composition may comprise polyethylene glycol polymers and these may be particularly preferred in compositions comprising mixed surfactant systems. Suitable polyethylene glycol polymers include random graft co-polymers comprising: (i) hydrophilic backbone comprising polyethylene glycol; and (ii) side chain(s) selected from the group consisting of: C4-C25 alkyl group, polypropylene, polybutylene, vinyl ester of a saturated C1-C6 mono-carboxylic acid, C1-C 6 alkyl ester of acrylic or methacrylic acid, and mixtures thereof. Suitable polyethylene glycol polymers have a polyethylene glycol backbone with random grafted polyvinyl acetate side chains. The average molecular weight of the polyethylene glycol backbone can be in the range of from 2,000 Da to 20,000 Da, or from 4,000 Da to 8,000 Da. The molecular weight ratio of the polyethylene glycol backbone to the polyvinyl acetate side chains can be in the range of from 1:1 to 1:5, or from 1:1.2 to 1:2. The average number of graft sites per ethylene oxide units can be less than 1, or less than 0.8, the average number of graft sites per ethylene oxide units can be in the range of from 0.5 to 0.9, or the average number of graft sites per ethylene oxide units can be in the range of from 0.1 to 0.5, or from 0.2 to 0.4. A suitable polyethylene glycol polymer is Sokalan HP22.

[0114] Typically these polymers when present are each incorporated into the compositions of the invention in amounts from 0.005 to 10 wt%, more usually from 0.05 to 8 wt%.

[0115] Preferably the composition comprises one or more carboxylate polymer, such as a maleate/acrylate random copolymer or polyacrylate homopolymer. In one aspect, the carboxylate polymer is a polyacrylate homopolymer having a molecular weight of from 4,000 Da to 9,000 Da, or from 6,000 Da to 9,000 Da. Typically these are incorporated into the compositions of the invention in amounts from 0.005 to 10 wt%, or from 0.05 to 8 wt%.

[0116] Preferably the composition comprises one or more soil release polymers.

[0117] Suitable soil release polymers are polyester soil release polymers such as Repel-o-tex polymers, including Repel-o-tex SF, SF-2 and SRP6 supplied by Rhodia. Other suitable soil release polymers include Texcare polymers, including Texcare SRA100, SRA300, SRN100, SRN170, SRN240, SRN260, SRN300 and SRN325 supplied by Clariant. Other suitable soil release polymers are Marloquest polymers, such as Marloquest SL supplied by Sasol.

[0118] Preferably the composition comprises one or more cellulosic polymer, including those selected from alkyl cellulose, alkyl alkoxyalkyl cellulose, carboxyalkyl cellulose, alkyl carboxyalkyl cellulose. Preferred cellulosic polymers are selected from the group comprising carboxymethyl cellulose, methyl cellulose, methyl hydroxyethyl cellulose, methyl carboxymethyl cellulose, and mixures thereof. In one aspect, the carboxymethyl cellulose has a degree of carboxymethyl substitution from 0.5 to 0.9 and a molecular weight from 100,000 Da to 300,000 Da.

[0119] The composition preferably comprises a cationically-modified polysaccharide polymer. Preferably, the cationic polysaccharide polymer is selected from cationically modified hydroxyethyl cellulose, cationically modified hydroxypropyl cellulose, cationically and hydrophobically modified hydroxyethyl cellulose, cationically and hydrophobically modified hydroxypropyl cellulose, or a mixture thereof, more preferably cationically modified hydroxyethyl cellulose, cationically and hydrophobically modified hydroxyethyl cellulose, or a mixture thereof.

Amines



[0120] The cleaning compositions described herein preferably contain an amine, preferably in an amount from about 0.1% to about 10%, or from about 0.2% to about 5%, or from about 0.5% to about 4%, or from about 0.1 % to about 4%, or from about 0.1 % to about 2%, by weight of the composition, of an amine. The amine can be subjected to protonation depending on the pH of the cleaning medium in which it is used. Non-limiting examples of preferred amines include, but are not limited to, etheramines, cyclic amines, polyamines, oligoamines (e.g., triamines, diamines, pentamines, tetraamines), or combinations thereof. The compositions described herein may comprise an amine selected from the group consisting of oligoamines, etheramines, cyclic amines, and combinations thereof. In some aspects, the amine is not an alkanolamine. In some aspects, the amine is not a polyalkyleneimine. Examples of suitable oligoamines include tetraethylenepentamine, triethylenetetraamine, diethylenetriamine, and mixtures thereof. Etheramines and cyclic amines are particularly preferred.

Fabric Shading Dye



[0121] The composition preferably comprises a fabric shading agent. Suitable fabric shading agents include dyes, dye-clay conjugates, and pigments. Suitable dyes include small molecule dyes and polymeric dyes. Suitable small molecule dyes include small molecule dyes selected from the group consisting of dyes falling into the Colour Index (C.I.) classifications of Direct Blue, Direct Red, Direct Violet, Acid Blue, Acid Red, Acid Violet, Basic Blue, Basic Violet and Basic Red, or mixtures thereof. Preferered dyes include alkoxylated azothiophenes, Solvent Violet 13, Acid Violet 50 and Direct Violet 9. Particularly preferred dyes are polymeric dyes, particularly comprising polyalkoxy, most preferably polyethoxy groups, for example:

wherein the index values x and y are independently selected from 1 to 10.

Dye Transfer Inhibitors



[0122] Suitable dye transfer inhibitors include polyamine N-oxide polymers, copolymers of N-vinylpyrrolidone and N-vinylimidazole, polyvinylpyrrolidone, polyvinyloxazolidone, polyvinylimidazole and mixtures thereof. Preferred are poly(vinyl pyrrolidone), poly(vinylpyridine betaine), poly(vinylpyridine N-oxide), poly(vinyl pyrrolidone-vinyl imidazole) and mixtures thereof. Suitable commercially available dye transfer inhibitors include PVP-K15 and K30 (Ashland), Sokalan® HP165, HP50, HP53, HP59, HP56K, HP56, HP66 (BASF), Chromabond® S-400, S403E and S-100 (Ashland).

Chelant



[0123] The composition may comprise chelant for example selected from phosphonic, sulphonic, succinic and acetic chelants or mixtures thereof. Suitable examples include HEDP, DTPA, EDTA, MGDA, GLDA, EDDS and 4,5-dihydroxy-1,3-benzenedisulfonic acids and salts thereof.

Encapsulated Benefit Agent



[0124] The composition may further comprise an encapsulated benefit agent. The encapsulated benefit may comprise a shell surrounding a core. The core may comprise a benefit agent. The benefit agent may comprise perfume raw materials.

[0125] The shell may comprise a material selected from the group consisting of aminoplast copolymer, an acrylic, an acrylate, and mixtures thereof. The aminoplast copolymer may be melamine-formaldehyde, urea-formaldehyde, cross-linked melamine formaldehyde, or mixtures thereof.

[0126] The shell may be coated with one or more materials, such as a polymer, that aids in the deposition and/or retention of the perfume microcapsule on the site that is treated with the composition disclosed herein. The polymer may be a cationic polymer selected from the group consisting of polysaccharides, cationically modified starch, cationically modified guar, polysiloxanes, poly diallyl dimethyl ammonium halides, copolymers of poly diallyl dimethyl ammonium chloride and vinyl pyrrolidone, acrylamides, imidazoles, imidazolinium halides, imidazolium halides, poly vinyl amine, copolymers of poly vinyl amine and N-vinyl formamide, and mixtures thereof.

[0127] The core may comprise a benefit agent. Suitable benefit agents include a material selected from the group consisting of perfume raw materials, silicone oils, waxes, hydrocarbons, higher fatty acids, essential oils, lipids, skin coolants, vitamins, sunscreens, antioxidants, glycerine, catalysts, bleach particles, silicon dioxide particles, malodor reducing agents, odor-controlling materials, chelating agents, antistatic agents, softening agents, insect and moth repelling agents, colorants, antioxidants, chelants, bodying agents, drape and form control agents, smoothness agents, wrinkle control agents, sanitization agents, disinfecting agents, germ control agents, mold control agents, mildew control agents, antiviral agents, drying agents, stain resistance agents, soil release agents, fabric refreshing agents and freshness extending agents, chlorine bleach odor control agents, dye fixatives, dye transfer inhibitors, color maintenance agents, optical brighteners, color restoration/rejuvenation agents, anti-fading agents, whiteness enhancers, anti-abrasion agents, wear resistance agents, fabric integrity agents, anti-wear agents, anti-pilling agents, defoamers, anti-foaming agents, UV protection agents, sun fade inhibitors, anti-allergenic agents, enzymes, water proofing agents, fabric comfort agents, shrinkage resistance agents, stretch resistance agents, stretch recovery agents, skin care agents, glycerin, and natural actives, antibacterial actives, antiperspirant actives, cationic polymers, dyes and mixtures thereof. The benefit agent may comprise perfume raw materials.

[0128] The composition may comprise, based on total composition weight, from about 0.01% to about 10%, or from about 0.1% to about 5%, or from about 0.2% to about 1%, of encapsulated benefit agent. The encapsulated benefit agent may be friable and/or have a mean particle size of from about 10 microns to about 500 microns or from about 20 microns to about 200 microns.

[0129] Suitable encapsulated benefit agents may be obtained from Encapsys, LLC, of Appleton, Wisconsin USA.

[0130] Formaldehyde scavengers may also be used in or with such encapsulated benefit agents.

Methods of Making the Composition



[0131] The present invention relates to methods of making the compositions described herein. The compositions of the invention may be solid (for example granules or tablets) or liquid form. Preferably the compositions are in liquid form. They may be made by any process chosen by the formulator, including by a batch process, a continuous loop process, or combinations thereof.

[0132] When in the form of a liquid, the compositions of the invention may be aqueous (typically above 2 wt% or even above 5 or 10 wt% total water, up to 90 or up to 80wt% or 70 wt% total water) or non-aqueous (typically below 2 wt% total water content). Typically the compositions of the invention will be in the form of an aqueous solution or uniform dispersion or suspension of optical brightener, DTI and optional additional adjunct materials, some of which may normally be in solid form, that have been combined with the normally liquid components of the composition, such as the liquid alcohol ethoxylate nonionic, the aqueous liquid carrier, and any other normally liquid optional ingredients. Such a solution, dispersion or suspension will be acceptably phase stable. When in the form of a liquid, the detergents of the invention preferably have viscosity from 1 to 1500 centipoises (1-1500 mPa*s), more preferably from 100 to 1000 centipoises (100-1000 mPa*s), and most preferably from 200 to 500 centipoises (200-500 mPa*s) at 20s-1 and 21°C. Viscosity can be determined by conventional methods. Viscosity may be measured using an AR 550 rheometer from TA instruments using a plate steel spindle at 40 mm diameter and a gap size of 500 µm. The high shear viscosity at 20s-1 and low shear viscosity at 0.05-1 can be obtained from a logarithmic shear rate sweep from 0.1-1 to 25-1 in 3 minutes time at 21C. The preferred rheology described therein may be achieved using internal existing structuring with detergent ingredients or by employing an external rheology modifier. More preferably the detergents, such as detergent liquid compositions have a high shear rate viscosity of from about 100 centipoise to 1500 centipoise, more preferably from 100 to 1000 cps. Unit Dose detergents, such as detergent liquid compositions have high shear rate viscosity of from 400 to 1000cps. Detergents such as laundry softening compositions typically have high shear rate viscosity of from 10 to 1000, more preferably from 10 to 800 cps, most preferably from 10 to 500 cps. Hand dishwashing compositions have high shear rate viscosity of from 300 to 4000 cps, more preferably 300 to 1000 cps.

[0133] The cleaning and/or treatment compositions in the form of a liquid herein can be prepared by combining the components thereof in any convenient order and by mixing, e.g., agitating, the resulting component combination to form a phase stable liquid detergent composition. In a process for preparing such compositions, a liquid matrix is formed containing at least a major proportion, or even substantially all, of the liquid components, e.g., nonionic surfactant, the non-surface active liquid carriers and other optional liquid components, with the liquid components being thoroughly admixed by imparting shear agitation to this liquid combination. For example, rapid stirring with a mechanical stirrer may usefully be employed. While shear agitation is maintained, substantially all of any anionic surfactants and the solid form ingredients can be added. Agitation of the mixture is continued, and if necessary, can be increased at this point to form a solution or a uniform dispersion of insoluble solid phase particulates within the liquid phase. After some or all of the solid-form materials have been added to this agitated mixture, particles of any enzyme material to be included, e.g., enzyme granulates, are incorporated. As a variation of the composition preparation procedure hereinbefore described, one or more of the solid components may be added to the agitated mixture as a solution or slurry of particles premixed with a minor portion of one or more of the liquid components. After addition of all of the composition components, agitation of the mixture is continued for a period of time sufficient to form compositions having the requisite viscosity and phase stability characteristics. Frequently this will involve agitation for a period of from about 30 to 60 minutes.

[0134] The adjunct ingredients in the compositions of this invention may be incorporated into the composition as the product of the synthesis generating such components, either with or without an intermediate purification step. Where there is no purification step, commonly the mixture used will comprise the desired component or mixtures thereof (and percentages given herein relate to the weight percent of the component itself unless otherwise specified) and in addition unreacted starting materials and impurities formed from side reactions and/or incomplete reaction. For example, for an ethoxylated or substituted component, the mixture will likely comprise different degrees of ethoxylation/substitution.

Method of Use



[0135] The present invention relates to methods of using the cleaning compositions of the present invention to clean a surface, such as a textile. In general, the method includes mixing the cleaning composition as described herein with water to form an aqueous liquor and contacting a surface, preferably a textile, with the aqueous liquor in a laundering step. The target surface may include a greasy soil such as a body soil. The compositions herein, typically prepared as hereinbefore described, can be used to form aqueous washing/treatment solutions for use in the laundering/treatment of fabrics and/or hard surfaces. Generally, an effective amount of such a composition is added to water, for example in a conventional fabric automatic washing machine, to form such aqueous liquor laundering solutions. The aqueous liquor so formed is then contacted, typically under agitation, with the fabrics to be laundered/treated therewith. An effective amount of the cleaning composition herein added to water to form aqueous liquors for washing can comprise amounts sufficient to form from about 500 to 25,000 ppm, or from 500 to 15,000 ppm of composition in aqueous liquor, or from about 1,000 to 3,000 ppm of the cleaning compositions herein will be provided in aqueous liquor.

[0136] Typically, the aqueous liquor is formed by contacting the detergent with wash water in such an amount so that the concentration of the cleaning composition in the aqueous liquor is from above 0.1 g/l to 5g/l, or from 1g/l, and to 4.5g/l, or to 4.0g/l, or to 3.5g/l, or to 3.0g/l, or to 2.5g/l, or even to 2.0g/l, or even to 1.5g/l. The method of laundering fabric or textile may be carried out in a top-loading or front-loading automatic washing machine, or can be used in a hand-wash laundry application. In these applications, the aqueous liquor formed and concentration of laundry detergent composition in the aqueous liquor is that of the main wash cycle. Any input of water during any optional rinsing step(s) is not included when determining the volume of the aqueous liquor.

[0137] The aqueous liquor may comprise 40 litres or less of water, or 30 litres or less, or 20 litres or less, or 10 litres or less, or 8 litres or less, or even 6 litres or less of water. The wash liquor may comprise from above 0 to 15 litres, or from 2 litres, and to 12 litres, or even to 8 litres of water. Typically from 0.01kg to 2kg of fabric per litre of aqueous liquor is dosed into said aqueous liquor. Typically from 0.01kg, or from 0.05kg, or from 0.07kg, or from 0.10kg, or from 0.15kg, or from 0.20kg, or from 0.25kg fabric per litre of aqueous liquor is dosed into said aqueous liquor. Optionally, 50g or less, or 45g or less, or 40g or less, or 35g or less, or 30g or less, or 25g or less, or 20g or less, or even 15g or less, or even 10g or less of the composition is contacted to water to form the aqueous liquor. Such compositions are typically employed at concentrations of from about 500 ppm to about 15,000 ppm in solution. When the wash solvent is water, the water temperature typically ranges from about 5 °C to about 90 °C and, when the situs comprises a fabric, the water to fabric ratio is typically from about 1:1 to about 30:1. Typically the aqueous liquor comprising the detergent of the invention has a pH of from 3 to 11.5.

[0138] In one aspect, such method comprises the steps of optionally washing and/or rinsing said surface or fabric, contacting said surface or fabric with any composition disclosed in this specification then optionally washing and/or rinsing said surface or fabric is disclosed, with an optional drying step.

[0139] Drying of such surfaces or fabrics may be accomplished by any one of the common means employed either in domestic or industrial settings: machine drying or open-air drying. The fabric may comprise any fabric capable of being laundered in normal consumer or institutional use conditions, and the invention is particularly suitable for synthetic textiles such as polyester and nylon and especially for treatment of mixed fabrics and/or fibres comprising synthetic and cellulosic fabrics and/or fibres. As examples of synthetic fabrics are polyester, nylon, these may be present in mixtures with cellulosic fibres, for example, polycotton fabrics. The solution typically has a pH of from 7 to 11, more usually 8 to 10.5. The compositions are typically employed at concentrations from 500 ppm to 5,000 ppm in solution. The water temperatures typically range from about 5 °C to about 90 °C. The water to fabric ratio is typically from about 1:1 to about 30:1.

Use of an Acyl Hydrazone Bleach Catalyst



[0140] The present invention further relates to a use of an acyl hydrazone bleach catalyst as described herein, for example in a cleaning composition, to enhance the stain removal, bleaching, and/or malodor-reducing benefits of a mannanase enzyme as described above.

TEST METHODS


Enzymatic activity towards xyloglucan substrates



[0141] An enzyme is deemed to have activity towards xyloglucan if the pure enzyme has a specific activity of greater than 50000 XyloU/g according to the following assay at pH 7.5.

[0142] The xyloglucanase activity is measured using AZCL-xyloglucan from Megazyme, Ireland as substrate (blue substrate).

[0143] A solution of 0.2% of the blue substrate is suspended in a 0.1M phosphate buffer pH 7.5, 20°C under stirring in a 1.5ml Eppendorf tubes (0.75ml to each), 50 microlitres enzyme solution is added and they are incubated in an Eppendorf Thermomixer for 20 minutes at 40°C, with a mixing of 1200 rpm. After incubation the coloured solution is separated from the solid by 4 minutes centrifugation at 14,000 rpm and the absorbance of the supernatant is measured at 600nm in a 1cm cuvette using a spectrophotometer. One XyloU unit is defined as the amount of enzyme resulting in an absorbance of 0.24 in a 1cm cuvette at 600nm.

[0144] Only absorbance values between 0.1 and 0.8 are used to calculate the XyloU activity. If an absorbance value is measured outside this range, optimization of the starting enzyme concentration should be carried out accordingly.

Enzymatic activity towards amorphous cellulose substrates



[0145] An enzyme is deemed to have activity towards amorphous cellulose if the pure enzyme has a specific activity of greater than 20000 EBG/g according to the following assay at pH 7.5. Chemicals used as buffers and substrates were commercial products of at least reagent grade. Endoglucanase Activity Assay Materials:
  • 0.1M phosphate buffer pH 7.5
  • Cellazyme C tablets, supplied by Megazyme International, Ireland.
  • Glass microfiber filters, GF/C, 9cm diameter, supplied by Whatman.

Method:



[0146] In test tubes, mix 1ml pH 7.5 buffer and 5ml deionised water.

[0147] Add 100 microliter of the enzyme sample (or of dilutions of the enzyme sample with known weight:weight dilution factor). Add 1 Cellazyme C tablet into each tube, cap the tubes and mix on a vortex mixer for 10 seconds. Place the tubes in a thermostated water bath, temperature 40°C. After 15, 30 and 45 minutes, mix the contents of the tubes by inverting the tubes, and replace in the water bath. After 60 minutes, mix the contents of the tubes by inversion and then filter through a GF/C filter. Collect the filtrate in a clean tube.

[0148] Measure Absorbance (Aenz) at 590nm, with a spectrophotometer. A blank value, Awater, is determined by adding 100µl water instead of 100 microliter enzyme dilution. Calculate Adelta = Aenz - Awater.

[0149] Adelta must be <0.5. If higher results are obtained, repeat with a different enzyme dilution factor. Determine DFO.1, where DFO.1 is the dilution factor needed to give Adelta = 0.1 .

[0150] Unit Definition: 1 Endo-Beta-Glucanase activity unit (1 EBG) is the amount of enzyme that gives Adelta = 0.10, under the assay conditions specified above. Thus, for example, if a given enzyme sample, after dilution by a dilution factor of 100, gives Adelta= 0.10, then the enzyme sample has an activity of 100 EBG/g.

EXAMPLES



[0151] The following are illustrative examples of cleaning compositions of the invention and are not intended to be limiting.

Examples 1 to 18: Unit Dose Compositions.



[0152] These examples provide various formulations for unit dose laundry detergents and comprise double compartment unit dose products comprising one powder and one liquid compartment. The film used to encapsulate the compositions in PVA. Each example is prepared by combining a liquid compartment composition selected from compositions A-E with a powder compartment composition selected from compositions F-K.









[0153] Based on total cleaning and/or treatment composition/compartment weight. Enzyme levels are reported as raw material.

Examples 19 to 24



[0154] Granular laundry detergent compositions for hand washing or washing machines, typically top-loading washing machines.




Examples 25-30



[0155] Granular laundry detergent compositions typically for front-loading automatic washing machines.
Ingredient252627282930
% weight
LAS 6.08 5.05 4.27 3.24 2.30 1.09
AE3S - 0.90 0.21 0.18 - 0.06
AS 0.34 - - - - -
AE7 4.28 5.95 6.72 7.98 9.20 10.35
Quaternary ammonium 0.5 - - 0.3 - -
Crystalline layered silicate 4.1 - 4.8 - - -
Zeolite A 5.0 - 2.0 - 2.0 2.0
Citric acid 3.0 4.0 3.0 4.0 2.5 3.0
Sodium carbonate 11.0 17.0 12.0 15.0 18.0 18.0
Sodium silicate 2R 0.08 - 0.11 - - -
Optical Brightener 1 - 0.25 0.05 0.01 0.10 0.02
Optical Brightener 2 - - 0.25 0.20 0.01 0.08
Optical Brightener 3 - 0.06 0.04 0.15 - 0.05
DTI 1 0.08 - 0.04 - 0.10 0.01
DTI 2 0.08 - 0.04 0.10 0.10 0.02
Soil release agent 0.75 0.72 0.71 0.72 - -
Acrylic /maleic acid copolymer 1.1 3.7 1.0 3.7 2.6 3.8
Carboxymethyl cellulose 0.2 1.4 0.2 1.4 1.0 0.5
Protease 3 0.20 0.20 0.30 0.15 0.12 0.13
Amylase 3 0.20 0.15 0.20 0.30 0.15 0.15
Lipase 0.05 0.15 0.10 - - -
Amylase 2 0.03 0.07 - - 0.05 0.05
Cellulase 2 - - - - 0.10 0.10
Polishing enzyme 0.003 0.005 0.020 - - -
Galactanase 0.001 0.005 - 0.010 - 0.001
Mannanase 0.002 0.010 0.020 0.020 0.010 0.003
Dispersin B 0.002 0.010 - 0.020 0.010 0.002
Tetraacetylehtylenediamine 3.6 4.0 3.6 4.0 2.2 1.4
Sodium percabonate 13.0 13.2 13.0 13.2 16.0 14.0
Chelant 3 - 0.2 - 0.2 - 0.2
Chelant 2 0.2 - 0.2 - 0.2 0.2
MgSO4 - 0.42 - 0.42 - 0.4
Perfume 0.5 0.6 0.5 0.6 0.6 0.6
Suds suppressor agglomerate 0.05 0.10 0.05 0.10 0.06 0.05
Soap 0.45 0.45 0.45 0.45 - -
Acid Violet 50 0.04 - 0.05 - 0.04 -
Violet DD - 0.04 - 0.05 - 0.04
S-ACMC 0.01 0.01 - 0.01 - -
Direct Violet 9 (active) - - 0.0001 0.0001 - -
Acyl hydrazone 0.7 0.1 0.6 0.3 0.06 0.3
Sulfate/ Water & Miscellaneous Balance
Acyl hydrazone
Acyl hydrazone in accordance with the invention, for example 4-(2-(2-((2-hydroxyphenylmethyl)methylene)-hydrazinyl)-2-oxoethyl)-4-methylchloride suppled as Tinocat® LT (BASF)
AE1.8S
is C12-15 alkyl ethoxy (1.8) sulfate
AE3S
is C12-15 alkyl ethoxy (3) sulfate
AE7
is C12-13 alcohol ethoxylate, with an average degree of ethoxylation of 7
AE8
is C12-13 alcohol ethoxylate, with an average degree of ethoxylation of 8
AE9
is C12-13 alcohol ethoxylate, with an average degree of ethoxylation of 9
Amylase 1
is Stainzyme®, 15 mg active/g
Amylase 2
is Natalase®, 29 mg active/g
Amylase 3
is Stainzyme® Plus, 20 mg active/g,
AS
is C12-14 alkylsulfate
Cellulase 2
is Celluclean™, 15.6 mg active/g
Xyloglucanase
is Whitezyme®, 20mg active/g
Chelant 1
is diethylene triamine pentaacetic acid
Chelant 2
is 1-hydroxyethane 1,1-diphosphonic acid
Chelant 3
is sodium salt of ethylenediamine-N,N'-disuccinic acid, (S,S) isomer (EDDS)
Dispersin B
is a glycoside hydrolase, reported as 1000mg active/g
DTI 1
is poly(4-vinylpyridine-1-oxide) (such as Chromabond S-403E®),
DTI 2
is poly(1-vinylpyrrolidone-co-1-vinylimidazole) (such as Sokalan HP56®).
HSAS
is mid-branched alkyl sulfate as disclosed in US 6,020,303 and US6,060,443
LAS
is linear alkylbenzenesulfonate having an average aliphatic carbon chain length C9-C15 (HLAS is acid form).
Galactanase
is SEQ ID NO: 10 herein, as active protein.
Mannanase
is SEQ ID NO: 1, as active protein
Lipase
is Lipex®, 18 mg active/g
Mannanase
is Mannaway®, 25 mg active/g
Optical Brightener 1
is disodium 4,4'-bis{[4-anilino-6-morpholino-s-triazin-2-yl]-amino}-2,2'-stilbenedisulfonate
Optical Brightener 2
is disodium 4,4'-bis-(2-sulfostyryl)biphenyl (sodium salt)
Optical Brightener 3
is Optiblanc SPL10® from 3V Sigma
Perfume encapsulate
is a core-shell melamine formaldehyde perfume microcapsules
Photobleach
is a sulfonated zinc phthalocyanine
Polishing enzyme
is Para-nitrobenzyl esterase, reported as 1000mg active/g
Polymer 1
is bis((C2H5O)(C2H4O)n)(CH3)-N+-CxH2x-N+-(CH3)-bis((C2H5O)(C2H4O)n), wherein n = 20-30,x = 3 to 8 or sulphated or sulfonated variants thereof
Polymer 2
is ethoxylated (EO15) tetraethylene pentamine
Polymer 3
is ethoxylated polyethylenimine
Polymer 4
is ethoxylated hexamethylene diamine
Polymer 5
is Acusol 305, provided by Rohm&Haas
Polymer 6
is a polyethylene glycol polymer grafted with vinyl acetate side chains, provided by BASF.
Protease
is Purafect Prime®, 40.6 mg active/g
Protease 2
is Savinase®, 32.89 mg active/g
Protease 3
is Purafect®, 84 mg active/g
Quaternary ammonium
is C12-14 Dimethylhydroxyethyl ammonium chloride
S-ACMC
is Reactive Blue 19 Azo-CM-Cellulose provided by Megazyme
Soil release agent
is Repel-o-tex® SF2, supplied by Solvay
Structurant
is Hydrogenated Castor Oil
Violet DD
is a thiophene azo polymeric hueing dye provided by Milliken


[0156] The dimensions and values disclosed herein are not to be understood as being strictly limited to the exact numerical values recited. Instead, unless otherwise specified, each such dimension is intended to mean both the recited value and a functionally equivalent range surrounding that value. For example, a dimension disclosed as "40 mm" is intended to mean "about 40 mm."












































Claims

1. A cleaning composition comprising:

a) a mannanase enzyme comprising a polypeptide having mannan endo-1,4-beta-mannosidase activity (EC 3.2.1 .78) that catalyzes the hydrolysis of 1 ,4-3-D-mannosidic linkages in mannans, galactomannans and/or glucomannans;

b) a peroxygen source; and an acyl hydrazone bleach catalyst.


 
2. A cleaning composition comprising a mannanase enzyme having at least 60% sequence identity to SEQ ID NO:1, or having at least 81% sequence identity to SEQ ID NO: 2; or having at least 75% identity to SEQ ID NO: 3, or having at least 65% identity to SEQ ID NO: 4, or having at least 75% identity to SEQ ID NO: 5, a peroxygen source; and an acyl hydrazone bleach catalyst.
 
3. A cleaning composition according to claim 1 or claim 2, wherein the mannanase enzyme has an amino acid sequence having at least 65%, or at least 80%, or at least 90% or at least 95% identity with the amino acid sequence shown in SEQ ID NO:1, or the enzyme has an amino acid sequence having at least 85%, or at least 90%, or at least 95% or at least 97% identity with the amino acid sequence shown in SEQ ID NO:2, or the enzyme has an amino acid sequence having at least 80%, or at least 85%, or at least 90% identity to SEQ ID NO: 3, or the enzyme has an amino acid sequence having at least 70% or at least 75% or at least 80% identity to SEQ ID NO: 4, or the enzyme has an amino acid sequence having at least 80% or at least 85% or at least 90% identity with SEQ ID NO: 5.
 
4. A cleaning composition according to any preceding claim wherein the mannanase enzyme is a member of glycoside hydrolase family 26.
 
5. A cleaning composition according to any preceding claim, wherein the composition further comprises a β-N-acetylglucosaminidase enzyme from E.C. 3.2.1.52, preferably an enzyme having at least 70% identity to SEQ ID NO:11.
 
6. A cleaning composition according to any preceding claim, wherein the peroxygen source is H2O2 or a substance that releases H2O2 in water.
 
7. A cleaning composition according to any preceding claim, wherein the peroxygen source is selected from the group consisting of perborates, percarbonates, perhydrates, peroxycarboxylic acids, persulfates, preoxydisulfates, diacyl peroxides, tetraacyl diperoxides, and combinations thereof, preferably wherein the peroxygen source is selected from the group consisting of alkali metal perborates, alkali metal percarbonates, urea perhydrates, and combination thereof, preferably the peroxygen source comprises a peroxycarboxylic acid selected from diperoxydecanedicarboxylic acid, phthalimido peroxycaproic acid, or combinations thereof.
 
8. A cleaning composition according to any preceding claim, wherein the acyl hydrazone bleach catalyst has a structure according to Formula I:

wherein R1 stands for a CF3 or for a C1-28 alkyl, C2-28 alkenyl, C2-22 alkynyl, C3-12 cycloalkyl, C3-12 cycloalkenyl, phenyl, naphthyl, C7-9 aralkyl, C3-20 heteroalkyl or C3-12 cycloheteroalkyl group,

R2 and R3 independently of one another stand for hydrogen or an optionally substituted C1-28 alkyl, C2-28 alkenyl, C2-22 alkynyl, C3-12 cycloalkyl, C3-12 cycloalkenyl, C7-9 aralkyl, C3-28 heteroalkyl, C3-12 cycloheteroalkyl, C5-16 heteroaralkyl, phenyl, naphthyl or heteroaryl group or R2 and R3 together with the carbon atom linking them stand for an optionally substituted 5-, 6-, 7-, 8- or 9-membered ring that can optionally comprise heteroatoms, and

R4 stands for hydrogen or a C1-28 alkyl, C2-28 alkenyl, C2-22 alkynyl, C3-12 cycloalkyl, C3-12 cycloalkenyl, C7-9 aralkyl, C3-20 heteroalkyl, C3-12 cycloheteroalkyl, C5-16 heteroaralkyl group or an optionally substituted phenyl or naphthyl or heteroaryl group.


 
9. A cleaning composition according to claim 8, wherein R1 stands for a C3-12 cycloheteroalkyl group, R2 and R3 independently of one another stand for hydrogen or an optionally substituted phenyl group, and R4 stands for hydrogen.
 
10. A liquid cleaning composition according to any preceding claim, wherein the acyl hydrazone bleach catalyst comprises 4-(2-(2-((2-hydroxyphenylmethyl)methylene)-hydrazinyl)-2-oxoethyl)-4-methylchloride according to Formula II:


 
11. A cleaning composition according to any preceding claim, wherein the cleaning composition further comprises a cleaning cellulase, preferably wherein the cleaning cellulase is an endoglucanase.
 
12. A cleaning composition according to any preceding claim, wherein the composition further comprises encapsulates, wherein the encapsulates comprises a shell surrounding a core, the core comprising a benefit agent, preferably the benefit agent comprising perfume.
 
13. A method of cleaning a surface, preferably a textile, comprising mixing the cleaning composition according to any preceding claim with water to form an aqueous liquor and contacting a surface, preferably a textile, with the aqueous liquor in a laundering step.
 
14. The use of a mannanase enzyme comprising a polypeptide having mannan endo-1,4-beta-mannosidase activity (EC 3.2.1 .78) that catalyzes the hydrolysis of 1 ,4-3-D-mannosidic linkages in mannans, galactomannans and/or glucomannans, preferably having at least 60% sequence identity to SEQ ID NO:1 or having at least 81 % sequence identity to SEQ ID NO: 2 at least 75% sequence identity to SEQ ID NO: 3 or having at least 65% sequence identity to SEQ ID NO: 4 or having at least 75% sequence identity to SEQ ID NO: 5, a peroxygen source and an acyl hydrazone bleach catalyst in a cleaning composition to enhance the stain-removal, bleaching, and/or malodor-reducing benefits.
 
15. Use according to claim 14 wherein the mannanase enzyme is a member of glycoside hydrolase family 26.
 















REFERENCES CITED IN THE DESCRIPTION



This list of references cited by the applicant is for the reader's convenience only. It does not form part of the European patent document. Even though great care has been taken in compiling the references, errors or omissions cannot be excluded and the EPO disclaims all liability in this regard.

Patent documents cited in the description




Non-patent literature cited in the description