ANTIBACTERIAL CLEANING WIPE

Description

Field of Invention

[0001] The present invention relates to a nonwoven fabric which has been impregnated with a liquid cleaning composition that provides a lasting antibacterial protection of hard surfaces.

Background of the Invention

[0002] The patent literature describes numerous wipes for both body cleaning and cleaning of hard surfaces but none describe the instant cleaning wipes which deliver a lasting antibacterial protection of hard surfaces and a minimization of streaking and residue.

[0003] U.S. Patent Nos. 5,756,612; 5,763,332; 5,908,707; 5,914,177; 5,980,922 and 6,168,852 teach cleaning compositions which are inverse emulsions.

[0004] U.S. Patent Nos. 6,183,315 and 6,183,763 teach cleaning compositions containing a proton donating agent and having an acidic pH.

[0005] U.S. Patent Nos. 5,863,663; 5,952,043; 6,063,746 and 6,121,165 teaches cleaning compositions which are out in water emulsions.

Summary of the Invention

[0006] A cleaning wipe for cleaning and lasting antibacterial protection of hard surfaces such as walls, toilet bowl, bath tub, door handle, tables, counter tops and floors comprises a nonwoven fabric containing at least polyester fibers and viscose fibers, wherein the nonwoven fabric is impregnated with a liquid cleaning composition which comprises an anionic surfactant and a polycationic antibacterial agent, a nonionic surfactant or an emulsifier, optionally, a perfume, optionally, a proton donating agent, optionally, cosurfactants and solvents and water, wherein the liquid cleaning composition is not an emulsion and does not contain proteins, metallic salts, enzymes, amides, sodium hypochlorite, dimethicone, N-methyl-2-pyrrolidone, monoalkyl phosphate or silicon based sulfosuccinate.

Detailed Description of the Invention

[0007] The present invention relates to an antibacterial cleaning wipe for hard surfaces as defined in claim 1.

[0008] As used herein and in the appended claims the term "perfume" is used in its ordinary sense to refer to and include any non-water soluble fragrant substance or mixture of substances including natural (i.e., obtained by extraction of flower, herb, blossom or plant), artificial (i.e., mixture of natural oils or oil constituents) and synthetically produced substance) odoriferous substances. Typically, perfumes are complex mixtures of blends of various organic compounds such as alcohols, aldehydes, ethers, aromatic compounds and varying amounts of essential oils (e.g., terpenes) such as from 0% to 80%, usually from 10% to 70% by weight, the essential oils themselves being volatile odoriferous compounds and also serving to dissolve the other components of the perfume.

[0009] In the present invention the precise composition of the perfume is of no particular consequence to cleaning performance so long as it meets the criteria of water immiscibility and having a pleasing odor. Naturally, of course, especially for cleaning compositions intended for use in the home, the perfume, as well as all other ingredients, should be cosmetically acceptable, i.e., non-toxic, hypoallergenic, etc.

[0010] Suitable essential oils are selected from the group consisting of: Anethole 20/21 natural, Aniseed oil china star, Aniseed oil globe brand,, Balsam (Peru), Basil oil (India), Black pepper oil, Black pepper oleoresin 40/20, Bois de Rose (Brazil) FOB, Borneol Flakes (China), Camphor oil, White, Camphor powder synthetic technical, Cananga oil

[0011] Suitable essential oils are selected from the group consisting of: Anethole 20/21 natural, Aniseed oil china star, Aniseed oil globe brand" Balsam (Peru), Basil oil (India), Black pepper oil, Black pepper oleoresin 40/20, Bois de Rose (Brazil) FOB, Borneol Flakes (China), Camphor oil, White, Camphor powder synthetic technical, Cananga oil (Java), Cardamom oil, Cassia oil (China), Cedarwood oil (China) BP, Cinnamon bark oil, Cinnamon leaf oil, Citronella oil, Clove bud oil, Clove leaf, Coriander (Russia), Coumarin 69°C (China), Cyclamen Aldehyde, Diphenyl oxide, Ethyl vanilin, Eucalyptol, Eucalyptus oil, Eucalyptus citriodora, Fennel oil, Geranium oil, Ginger oil, Ginger oleoresin (India), White grapefruit oil, Guaiacwood oil, Gurjun balsam, Heliotropin, Isobornyl acetate, Isolongifolene, Juniper berry oil, L-methyl acetate, Lavender oil, Lemon oil, Lemongrass oil, Lime oil distilled, Litsea Cubeba oil, Longifolene, Menthol crystals, Methyl cedryl ketone, Methyl chavicol, Methyl salicylate, Musk ambrette, Musk ketone, Musk xylol, Nutmeg oil, Orange oil, Patchouli oil, Peppermint oil, Phenyl ethyl alcohol, Pimento berry oil, Pimento leaf oil, Rosalin, Sandalwood oil, Sandenol, Sage oil, Clary sage, Sassafras oil, Spearmint oil, Spike lavender, Tagetes, Tea tree oil, Vanilin, Vetyver oil (Java), Wintergreen, Allocimene, Arbanex^™, Arbanol^®, Bergamot oils, Camphene, Alpha-Campholenic aldehyde, I-Carvone, Cineoles, Citral, Citronellol Terpenes, Alpha-Citronellol, Citronellyl Acetate, Citronellyl Nitrile, Para-Cymene, Dihydroanethole, Dihydrocarveol, d-Dihydrocarvone, Dihydrolinalool, Dihydromyrcene, Dihydromyrcenol, Dihydromyrcenyl Acetate, Dihydroterpineol, Dimethyloctanal, Dimethyloctanol, Dimethyloctanyl Acetate, Estragole, Ethyl-2 Methylbutyrate, Fenchol, Fernlol^™, Florilys^™, Geraniol, Geranyl Acetate, Geranyl Nitrile, Glidmint^™ Mint oils, Glidox^™, Grapefruit oils, trans-2-Hexenal, trans-2-Hexenol, cis-3-Hexenyl Isovalerate, cis-3-Hexanyl-2-methylbutyrate, Hexyl Isovalerate, Hexyl-2-methylbutyrate, Hydroxycitronellal, lonone, Isobornyl Methylether, Linalool, Linalool Oxide, Linalyl Acetate, Menthane Hydroperoxide, I-Methyl Acetate, Methyl Hexyl Ether, Methyl-2-methylbutyrate, 2-Methylbutyl Isovalerate, Myrcene, Nerol, Neryl Acetate, 3-Octanol, 3-Octyl Acetate, Phenyl Ethyl-2-methylbutyrate, Petitgrain oil, cis-Pinane, Pinane Hydroperoxide, Pinanol, Pine Ester, Pine Needle oils, Tetrahydromyrcenol, Tetralol^®, Tomato oils, Vitalizair, Zestoral^™, HINOKITIOL^™ and THUJOPSIS DOLABRATA^™.

[0012] The water soluble nonionic surfactants utilized in this invention are commercially well known and include the primary aliphatic alcohol ethoxylates, secondary aliphatic alcohol ethoxylates, alkylphenol ethoxylates and ethylene-oxide-propylene oxide condensates on primary alkanols, such a Plurafacs (BASF) and condensates of ethylene oxide with sorbitan fatty acid esters such as the Tweens (ICI). The nonionic synthetic organic detergents generally are the condensation products of an organic aliphatic or alkyl aromatic hydrophobic compound and hydrophilic ethylene oxide groups. Practically any hydrophobic compound having a carboxy, hydroxy, amido, or amino group with a free hydrogen attached to the nitrogen can be condensed with ethylene oxide or with the polyhydration product thereof, polyethylene glycol, to form a water-sotuble nonionic detergent. Further, the length of the polyethenoxy chain can be adjusted to achieve the desired balance between the hydrophobic and hydrophilic elements.

[0013] The nonionic surfactant class includes the condensation products of a higher alcohol (e.g., an alkanol containing 8 to 18 carbon atoms in a straight or branched chain configuration) condensed with 5 to 30 moles of ethylene oxide, for example, lauryl or myristyl alcohol condensed with 16 moles of ethylene oxide (EO), tridecanol condensed with 6 to moles of EO, myristyl alcohol condensed with 10 moles of EO per mole of myristyl alcohol, the condensation product of EO with a cut of coconut fatty alcohol containing a mixture of fatty alcohols with alkyl chains varying from 10 to 14 carbon atoms in length and wherein the condensate contains either 6 moles of EO per mole of total alcohol or 9 moles of EO per mole of alcohol and tallow alcohol ethoxylates containing 6 EO to 11 EO per mole of alcohol.

[0014] A preferred group of the foregoing nonionic surfactants are the Neodol ethoxylates (Shell Co.), which are higher aliphatic, primary alcohol containing 9-15 carbon atoms, such as C₉-C₁₁ alkanol condensed with 2.5 to 10 moles of ethylene oxide (NEODOL 91-2.5 OR-5 OR-6 OR -8), C_12-13 alkanol condensed with 6.5 moles ethylene oxide (Neodol 23-6.5), C_12-15 alkanol condensed with 12 moles ethylene oxide (Neodol 25-12), C_14-15 alkanol condensed with 13 moles ethylene oxide (Neodol 45-13), and the like.

[0015] Additional satisfactory water soluble alcohol ethylene oxide condensates are the condensation products of a secondary aliphatic alcohol containing 8 to 18 carbon atoms in a straight or branched chain configuration condensed with 5 to 30 moles of ethylene oxide. Examples of commercially available nonionic detergents of the foregoing type are C₁₁-C₁₅ secondary alkanol condensed with either 9 EO (Tergitol 15-S-9) or 12 EO (Tergitol 15-S-12) marketed by Union Carbide.

[0016] Other suitable nonionic surfactants include the polyethylene oxide condensates of one mole of alkyl phenol containing from 8 to 18 carbon atoms in a straight- or branched chain alkyl group with 5 to 30 moles of ethylene oxide. Specific examples of alkyl phenol ethoxylates include nonyl phenol condensed with 9.5 moles of EO per mole of nonyl phenol, dinonyl phenol condensed with 12 moles of EO per mole of phenol, dinonyl phenol condensed with 15 moles of EO per mole of phenol and di-isoctylphenol condensed with 15 moles of EO per mole of phenol. Commercially available nonionlc surfactants of this type include Igepal CO-630 (nonyl phenol ethoxylate) marketed by GAF Corporation.

[0017] Also among the satisfactory nonionic surfactants are the water-soluble condensation products of a C₈-C₂₀ alkanol with a heteric mixture of ethylene oxide and propylene oxide wherein the weight ratio of ethylene oxide to propylene oxide is from 2.5:1 to 4:1, preferably 2.8:1 to 3.3:1, with the total of the ethylene oxide and propylene oxide (including the terminal ethanol or propanol group) being from 60-85%, preferably 70-80%, by weight. Such detergents are commercially available from BASF-Wyandotte and a particularly preferred detergent is a C₁₀-C₁₆ alkanol condensate with ethylene oxide and propylene oxide, the weight ratio of ethylene oxide to propylene oxide being 3:1 and the total alkoxy content being about 75% by weight.

[0018] Condensates of 2 to 30 moles of ethylene oxide with sorbitan mono- and tri-C₁₀-C₂₀ alkanoic acid esters having a HLB of 8 to 15 also may be employed as the nonionic detergent ingredient in the described composition. These surfactants are well known and are available from Imperial Chemical Industries under the Tween trade name. Suitable surfactants include polyoxyethylene (4) sorbitan monolaurate, polyoxyethylene (4) sorbitan monostearate, polyoxyethylene (20) sorbitan trioleate and polyoxyethylene (20) sorbitan tristearate.

[0019] Other suitable water-soluble nonionic surfactants are marketed under the trade name "Pluronics". The compounds are formed by condensing ethylene oxide with a hydrophobic base formed by the condensation of propylene oxide with propylene glycol. The molecular weight of the hydrophobic portion of the molecule is of the order of 950 to 4000 and preferably 200 to 2,500. The addition of polyoxyethylene radicals to the hydrophobic portion tends to increase the solubility of the molecule as a whole so as to make the surfactant water-soluble. The molecular weight of the block polymers varies from 1,000 to 15,000 and the polyethylene oxide content may comprise 20% to 80% by weight. Preferably, these surfactants will be in liquid form and satisfactory surfactants are available as grades L 62 and L 64.

[0020] Suitable water-soluble non-soap, anionic surfactants used in the instant compositions include those surface-active or detergent compounds which contain an organic hydrophobic group containing generally 8 to 26 carbon atoms and preferably 10 to 18 carbon atoms in their molecular structure and at least one water-solubilizing group selected from the group of sulfonate, sulfate and carboxylate so as to form a water-soluble detergent. Usually, the hydrophobic group will include or comprise a C₈-C₂₂ alkyl, or acyl group. Such surfactants are employed in the form of water-soluble salts and the salt-forming cation usually is selected from the group consisting of sodium, potassium, ammonium, zinc, magnesium and mono-, di- or tri-C₂-C₃ alkanolammonium, with the sodium, magnesium and ammonium cations again being preferred.

[0021] Examples of suitable sulfonated anionic surfactants are the well known higher alkyl mononuclear aromatic sulfonates such as the higher alkyl benzene sulfonates containing from 10 to 16 carbon atoms in the higher alkyl group in a straight or branched chain, C₈-C₁₅ alkyl toluene sulfonates and C₈-C₁₅ alkyl phenol sulfonates.

[0022] The linear alkyl benzene sulfonate has a high content of 3- (or higher) phenyl isomers and a correspondingly low content (well below 50%) of 2- (or lower) phenyl isomers, that is, wherein the benzene ring is preferably attached in large part at the 3 or higher (for example, 4, 5, 6 or 7) position of the alkyl group and the content of the isomers in which the benzene ring is attached in the 2 or 1 position is correspondingly low. Particularly preferred materials are set forth in U.S. Patent 3,320,174.

[0023] Other suitable anionic surfactants are the olefin sulfonates, including long-chain alkene sulfonates, long-chain hydroxyalkane sulfonates or mixtures of alkene sulfonates and hydroxyalkane sulfonates. These olefin sulfonate detergents may be prepared in a known manner by the reaction of sulfur trioxide (SO₃) with long-chain olefins containing 8 to 25, preferably 12 to 21 carbon atoms and having the formula RCH=CHR₁ where R is a higher alkyl group of 6 to 23 carbons and R₁ is an alkyl group of 1 to 17 carbons or hydrogen to form a mixture of sultones and alkene sulfonic acids which is then treated to convert the sultones to sulfonates. Preferred olefin sulfonates contain from 14 to 16 carbon atoms in the R alkyl group and are obtained by sulfonating an a-olefin.

[0024] Other examples of suitable anionic sulfonate surfactants are the paraffin sulfonates containing 10 to 20, preferably 13 to 17, carbon atoms. Primary paraffin sulfonates are made by reacting long-chain alpha olefins and bisulfites and paraffin sulfonates having the sulfonate group distributed along the paraffin chain are shown in U.S. Patents Nos.. 2,503,280; 2,507,088; 3,260,744; 3,372,188; and German Patent 735,096.

[0025] Examples of satisfactory anionic sulfate surfactants are the preferred C₈-C₁₈ alkyl sulfate salts and the C₈-C₁₈ alkyl sulfate salts and the C₈-C₁₈ alkyl ether polyethenoxy sulfate salts having the formula R(OC₂H₄)_n OSO₃M wherein n is 1 to 12, preferably 1 to 5, and M is a solubilizing cation selected from the group consisting of sodium, potassium, ammonium, zinc, magnesium and mono-, di- and triethanol ammonium ions. The alkyl sulfates may be obtained by sulfating the alcohols obtained by reducing glycerides of coconut oil or tallow or mixtures thereof and neutralizing the resultant product.

[0026] On the other hand, the alkyl ether polyethenoxy sulfates are obtained by sulfating the condensation product of ethylene oxide with a C₈-C₁₈ alkanol and neutralizing the resultant product. The alkyl sulfates may be obtained by sulfating the alcohols obtained by reducing glycerides of coconut oil or tallow or mixtures thereof and neutralizing the resultant product. On the other hand, the alkyl ether polyethenoxy sulfates are obtained by sulfating the condensation product of ethylene oxide with a C₈-C₁₈ alkanol and neutralizing the resultant product. The alkyl ether polyethenoxy sulfates differ from one another in the number of moles of ethylene oxide reacted with one mole of alkanol. Preferred alkyl sulfates and preferred alkyl ether polyethenoxy sulfates contain 10 to 16 carbon atoms in the alkyl group.

[0027] The C₈-C₁₂ alkylphenyl ether polyethenoxy sulfates containing from 2 to 6 moles of ethylene oxide in the molecule also are suitable for use in the inventive compositions. These surfactants can be prepared by reacting an alkyl phenol with 2 to 6 moles of ethylene oxide and sulfating and neutralizing the resultant ethoxylated alkylphenol.

[0028] Other suitable anionic detergents are the C₉-C₁₅ alkyl ether polyethenoxyl carboxylates having the structural formula R(OC₂H₄)_nOX COOH wherein n is a number from 4 to 12, preferably 5 to 10 and X is selected from the group consisting of CH₂, C(O)R₁ and

wherein R₁ is a C₁-C₃ alkylene group. Preferred compounds include C₉-C₁ alkyl ether polyethenoxy (7-9) C(O) CH₂CH₂COOH, C₁₃-C₁₅ alkyl ether polyethenoxy (7-9)

and C₁₀-C₁₂ alkyl ether polyethenoxy (5-7) CH₂COOH. These compounds may be prepared by condensing ethylene oxide with appropriate alkanol and reacting this reaction product with chloracetic acid to make the ether carboxylic acids as shown in US Pat. No. 3,741,911 or with succinic anhydride or phtalic anhydride.

[0029] Obviously, these anionic detergents will be present either in acid form or salt form depending upon the pH of the final composition, with the salt forming cation being the same as for the other anionic detergents.

[0030] One emulsifier used in the instant composition is LRI manufactured by Wackherr which is a mixture of a PEG-40 hydrogenated Castor oil and PPG-26 buteth 26. Other useful emulsifiers are all the surfactants that can be used to solubilize perfumes or other lipophilic ingredients into water as the surfactants belonging to the following families and showing an HLB higher than 12 : the ethoxylated fatty alcohols, ethoxylated lanolin, ethoxylated glycerides or ethoxylated hydroxylated glycerides, ethoxylated amides, ethoxylated carboxylic acids (polyethylene glycol acylates and di-acylates), EO-PO block copolymers or any propoxylated PEO ethers as well as sorbitan and sorbitol esters. More specifically, the following examples can be mentionned :

Ethoxylated castor oil or ethoxylated hydrogenated castor oil as Arlatone 289, 650 and 827 from Imperial Chemical Industries; all mixtures containing ethoxylated castor oil or ethoxylated hydrogenated castor oil as Arlatone 975 and Arlatone 980 from or Imperial Chemical Industries or also the Emulsifier 2/014160 from Dragoco which is a mixture of fatty alcohol polyglycolether and hydrogenated castor oil ethoxylate; all the ethoxylated alkyl alcohol as the range of Brij surfactants from Imperial Chemical Industries or also Arlasolve 200 which is an ethoxylated isohexadecyl alcohol; all the polyethyleneglycol sorbitan mono- and tri- alkanoic acid esters from Imperial Chemical Industries, especially Tween 20 which is polyoxyethylene (20) sorbitan monolaurate.

[0031] The cosurfactants in the instant compositions are selected from the group consisting of polypropylene glycol of the formula HO(CH₃CHCH₂O)_nH wherein n is a number from 1 to 18, and mono and di C₁-C₆ alkyl ethers and esters of ethylene glycol and propylene glycol having the structural formulas R(X)_nOH, R₁(X)_nOH, R(X)_nOR and R₁(X)_nOR₁wherein R is C₁-C₆ alkyl group, R₁ is C₂-C₄ acyl group, X is (OCH₂CH₂) or (OCH₂(CH₃)CH) and n is a number from 1 to 4, diethylene glycol, triethylene glycol, an alkyl lactate, wherein the alkyl group has 1 to 6 carbon atoms, 1 methoxy-2-propanol, 1 methoxy-3-propanol, and 1 methoxy 2-, 3- or 4-butanol.

[0032] Representative members of the polypropylene glycol include dipropylene glycol and polypropylene glycol having a molecular weight of 150 to 1000, e.g., polypropylene glycol 400. Satisfactory glycol ethers are ethylene glycol monobutyl ether (butyl cellosolve), diethylene glycol monobutyl ether (butyl carbitol), triethylene glycol monobutyl ether, mono, di, tri propylene glycol monobutyl ether, tetraethylene glycol monobutyl ether, mono, di, tripropylene glycol monomethyl ether, propylene glycol monomethyl ether, ethylene glycol monohexyl ether, diethylene glycol monohexyl ether, propylene glycol tertiary butyl ether, ethylene glycol monoethyl ether, ethylene glycol monomethyl ether, ethylene glycol monopropyl ether, ethylene glycol monopentyl ether, diethylene glycol monomethyl ether, diethylene glycol monoethyl ether, diethylene glycol monopropyl ether, diethylene glycol monopentyl ether, triethylene glycol monomethyl ether, triethylene glycol monoethyl ether, triethylene glycol monopropyl ether, triethylene glycol monopentyl ether, triethylene glycol monohexyl ether, mono, di, tripropylene glycol monoethyl ether, mono, di tripropylene glycol monopropyl ether, mono, di, tripropylene glycol monopentyl ether, mono, di, tripropylene glycol monohexyl ether, mono, di, tributylene glycol mono methyl ether, mono, di, tributylene glycol monoethyl ether, mono, di, tributylene glycol monopropyl ether, mono, di, tributylene glycol monobutyl ether, mono, di, tributylene glycol monopentyl ether and mono, di, tributylene glycol monohexyl ether, ethylene glycol monoacetate and dipropylene glycol propionate.

[0033] The preferred C₁-C₄ alkanols are ethanol or isopropanol and mixtures thereof.

[0034] The final essential ingredient in the inventive compositions having improved interfacial tension properties is water. The proportion of water in the compositions generally is in the range of 20% to 99.7%, preferably 70% to 97% by weight.

[0035] In addition to the above-described essential ingredients, the compositions of this invention may often and preferably do contain one or more additional ingredients which serve to improve overall product performance.

[0036] The antibacterial solution of this invention may, if desired, also contain other components either to provide additional effect or to make the product more attractive to the consumer. The following are mentioned by way of example: Colors or dyes in amounts up to 0.5% by weight, 2,6-di-tert.butyl-p-cresol, etc., in amounts up to 2% by weight: and pH adjusting agents, such as sulfuric acid, chlorhydric acid or sodium hydroxide, as needed.

[0037] The proton donating agent that can be used in the instant composition is selected from the group consisting of organic acids and inorganic acids and mixtures thereof. The organic acids are selected from the group consisting of mono- and di-aliphatic carboxylic acids and hydroxy containing organic acids and mixtures thereof. Typical organic acids are adipic acid, succinic acid, lactic acid, glycolic acid, salicylic acid, tartaric acid, citric acid, gluconic add, malic acid, acetic acid, pyruvic acid, sorbic acid, propionic acid, formic acid and ortho hydroxy benzoic acid. Typical inorganic acids are sulfuric acid, nitric acid and hydrochloric add.

[0038] The cleaning compositions are prepared by simple batch mixing at 25°C-30°C. The nonwoven fabric is impregnated with the liquid cleaning composition by means of a positive impregnation process. The liquid is positively fed into the nonwoven fabric through a controlled gear pump and injection bar at a ratio of 2.4 to 2.8 grams of liquid cleaning composition to about 1 gram of the nonwoven fabric.

[0039] The nonwoven fabric is preferably formed from 10 wt. % to 90 wt. % of viscose fibers and 10 wt. % to 90 wt. % of polyester fibers such as Spunlace made by the Dexter Corporation. More preferably the nonwoven fabric comprises 10 wt. % to 95 wt. % of wood pulp fibers, 1 wt. % to 40 wt. % of viscose fibers and 1 wt. % to 40 wt. % of polyester fibers. Such a nonwoven fabric which is manufactured by Dexter Corporation under the name Hydraspun comprises 60% to 95% of wood pulp fabrics, 2.5 wt. % to 20 wt. % of viscose fibers and 2.5 wt. % to 20 wt. % of polyester fibers.

[0040] The following examples illustrate liquid cleaning compositions of the described invention. The exemplified compositions are illustrative only and do not limit the scope of the invention. Unless otherwise specified, the proportions in the examples and elsewhere in the specification are by weight.

Example 1

[0041] The cleaning wipes were made following the aforementioned process.

	A	B	C	D
Part I	Wt.%	Wt.%	Wt.%	Wt. %
Dipropylene glycol N-butyl ether			1.5
Ethanol			3
Sodium lauryl sulfate	0.14	0.21	021	0.09
Polyhexamethylene-4-biguanide hydrochloride	0.08	0.09	0.09	0.09
Perfuma	0.05	0.05	0.05	0.05
Lactic acid	0.75	0.75	0.75
Propylene glycol monobutyl ether	3	3	1.5
Solubilisant LRI	0.1	0.1	0.1	0.1
Water	Balance to 100	Balance to 100	Balance to 100	Balance to 100
pH (adjusted with NaOH)	3-5	3.5	3.5	3.5
Part II
Part I	70.8	70.6	70.6	70.8
Spunlace	29.4	29.4	29.4	29.4

[0042] Formulas A, B, C, D were tested for residue pattern on black Perspex tiles and rated on a 10 point scale (0 = very poor/much residue and 10 = very good/no residue).

	A	B	C	D
Residue score	4.1	2.7	2.7	6.1

[0043] 15cm x 15 cm Perspex black tiles are wiped with the impregnated test substrate in a circular movement such that the middle of the tile is wet and contours kept dry.

[0044] Each test product is applied on 5 different tiles (= 5 replicates), then 5 judges score the residue pattern (observation made under indirect light conditions) of each tile from 0= very poor residue score up to 10= excellent, no residue on a 10 point scale. Results are then analyzed statistically.

[0045] The liquid compositions (Part I) described in A and B were tested for their antibacterial efficacy in suspension following EN1276 protocol with sucrose at 10g/l as interfering substance :

	Log10 'Colony Forming Unit' reduction
	Liquid composition A	Liquid composition B
Pseudomonas aeruginosa	> 5.4	> 5.4
Staphylococcus aureus	> 5.1	> 5.1

[0046] The liquid composition (Part I) described in B was tested for the lasting protection of hard surfaces against germs.

[0047] Ceramic tiles are treated with the product, let dried and rinsed with sterile tap water. After drying, the surface is inoculated with a germ suspension containing Bovin Serum Albumin at 3g/l as interfering substance. After 1 hour contact, the remaining living germs are quantified. 3 inoculations are successively performed at 1 hour interval.

[0048] The performance of the product is expressed in terms of log10 'CFU' reduction versus an untreated tile.

	Log10 'Colony Forming Unit' reduction
	First inoculation	Second inoculation	Third inoculation
Pseudomonas aeruginosa	3.1	2.3	2.4
Staphylococcus aureus	2.3	3.5	3.3

Claims

1. A cleaning wipe which comprises approximately:

(a) 20 wt. % to 30 wt. % of a nonwoven fabric containing at least polyester fibers and viscose fibers; and

(b) 70 wt. % to 80 wt. % of a liquid cleaning composition being impregnated in said nonwoven fabric, wherein said liquid cleaning composition comprises by weight:

(i) 0.01% to 10% of a sulfonate or sulfate anionic surfactant;

(ii) 0.01% to 2.0% of a cationic polymer selected from the group consisting of poly (hexamethylene biguanide) hydrochloride having the structure of:

where the average n = 4 to 6 or from the group consisting of quaternized cationic polymer having the structure of

; and

(iii) the balance being water, wherein the liquid cleaning composition is not an emulsion and does not contain
proteins, metallic salts, enzymes,
amides, sodium hypochlorite, dimethicone, N-methyl-2-pyrrolidone, monoalkyl phosphate or silicon based sulfosuccinate.
potassium sorbate, an alkali metal carbonate, salicylamide substituted compositions, silver ions, an anionic surfactant as crosslinking agent, poly (hexamethylene biguanide) stearate or a cationic surfactant such as a quaternary ammonium compound.

2. The cleaning wipe of Claim 1 further including up to 10 wt. % of at least one water soluble cosurfactant;

3. The cleaning wipe of Claim 2 further including up to 1.0 wt, % of an emulsifier or ethoxylated nonionic surfactant.

4. The cleaning wipe of Claim 3 further including a fragrance or essential oil.

5. The cleaning wipe of Claim 4 further including up to 6 wt. % of a C₁-C₄ alkanol.

6. The cleaning wipe of Claim 5 further including up to 5 wt. % of a proton donating agent.

7. The cleaning wipe of Claim 6, wherein said C₁-C₄ alkanol is ethanol or isopropanol.

8. The cleaning wipe of Claim 2, wherein said cosurfactant is a mixture of glycol ethers wherein one of said glycol ether is propylene glycol N-butyl ether.

9. The cleaning wipe of Claim 8, wherein said other glycol ether is dipropylene glycol N-butyl ether.

10. The cleaning wipe of Claim 9 wherein said anionic surfactant is a sulfate surfactant.

11. The cleaning wipe of Claim 10, wherein said cationic polymer is polyhexamethylene-4-biguanide hydrochloride.

12. The cleaning wipe of any one of claims 1 to 11, wherein the nonwoven fabric consists of 60 wt. % to 95 wt. % of wood pulp fibers, 2.5 wt. % to 20 wt. % of viscose fibers and 2.5 wt. % to 20 wt. % of polyester fibers.

Ansprüche

1. Reinigungstuch, das ungefähr:

(a) 20 Gew.-% bis 30 Gew.-% Vliesstoff, der mindestens Polyesterfasern und Viskosefasern enthält, und

(b) 70 Gew.-% bis 80 Gew.-% flüssige Reinigungszusammensetzung, die auf den Vliesstoff imprägniert ist, umfasst, wobei die flüssige Reinigungszusammensetzung umfasst:

(i) 0,01 Gew.-% bis 10 Gew.-% anionisches Sulfonat- oder Sulfattensid,

(ii) 0,01 Gew.-% bis 20 Gew.-% kationisches Polymer ausgewählt aus der Gruppe bestehend aus Poly(hexamethylenbiguanid)-Hydrochlorid mit der Struktur:

wobei durchschnittlich n = 4 bis 6, oder aus der Gruppe bestehend aus quaternisiertem kationischen Polymer mit der Struktur:

umfasst, und

(iii) der Rest Wasser ist, wobei die flüssige Reinigungszusammensetzung keine Emulsion ist und nicht enthält:

Proteine, Metallsalze, Enzyme,

Amide, Natriumhypochlorit, Dimethicon, N-Methyl-2-pyrrolidon, Monoalkylphosphat oder siliciumbasiertes Sulfosuccinat,

Kaliumsorbat, Alkalimetallcarbonat, Salicylamidsubstituierte Zusammensetzungen, Silberionen, anionisches Tensid wie Vernetzungsmittel, Poly(hexamethylenbiguanid)-stearat oder kationisches Tensid wie quartäre Ammoniumverbindung.

2. Reinigungstuch nach Anspruch 1, das ferner bis 10 Gew.-% von mindestens einem wasserlöslichen Co-Tensid einschließt.

3. Reinigungstuch nach Anspruch 2, das ferner bis 1,0 Gew.-% Emulgiermittel oder nichtionisches ethoxyliertes. Tensid einschließt.

4. Reinigungstuch nach Anspruch 4, das ferner Duftstoff oder etherisches Ö1 einschließt.

5. Reinigungstuch nach Anspruch 4, das ferner bis 6 Gew.-% C₁- bis C₄-Alkanol einschließt.

6. Reinigungstuch nach Anspruch 5, das ferner bis 5 Gew.-% Protonendonormittel einschließt.

7. Reinigungstuch nach Anspruch 6, wobei das C₁- bis C₄-Alkanol Ethanol oder Isopropanol ist.

8. Reinigungstuch nach Anspruch 2, wobei das Co-Tensid eine Mischung von Glykolethern ist, wobei einer der Glykolether Propylenglykol-n-butylether ist.

9. Reinigungstuch nach Anspruch 8, wobei der andere Glykolether Dipropylenglykol-n-butylether ist.

10. Reinigungstuch nach Anspruch 9, wobei das anionische Tensid ein Sulfattensid ist.

11. Reinigungstuch nach Anspruch 10, wobei das kationische Polymer Polyhexamethylen-4-biguanid-Hydrochlorid ist.

12. Reinigungstuch nach einem der Ansprüche 1 bis 11, wobei der Vliesstoff aus 60 Gew.-% bis 95 Gew.-% Zellstoff, 2,5 Gew.-% bis 20 Gew.-% Viskosefasern und 2,5 Gew.-% bis 20 Gew.-% Polyesterfasern besteht.

Revendications

1. Lingette de nettoyage qui comprend approximativement :

(a) 20 % en poids à 30 % en poids d'un tissu non tissé contenant au moins des fibres de polyester et des fibres de viscose ;

(b) 70 % en poids à 80 % en poids d'une composition de nettoyage liquide imprégnant ledit tissu non tissé, ladite composition de nettoyage liquide comprenant en poids :

(I) 0,01 % à 10 % d'un tensioactif anionique sulfonate ou sulfate ;

(II) 0,01 % à 2,0 % d'un polymère cationique choisi dans le groupe comprenant un chlorhydrate poly(hexaméthylène biguanide) présentant la structure :

dans laquelle la moyenne n = 4 à 6 , ou le groupe comprenant le polymère cationique quatemisé présentant la structure

et

(iii) l'équilibre étant constitué par l'eau, dans lequel la composition de nettoyage-liquide n'est pas une émulsion et ne contient pas de
protéines, sels métalliques, enzymes,
amides, hypochlorite de sodium, diméthicone, N-méthyl-2-pyrrolidone, sulfosuccinates à base de monoalkyle-phosphate ou de silicium,
sorbate de potassium, carbonate de métal alcalin, compositions substituées par salicylamide, ions argent, tensioactif anionique comme agent de réticulation, stéarate de poly(hexaméthylène biguanide) ou tensioactif cationique tel qu'un composé d'ammonium quaternaire.

2. Lingette de nettoyage selon la revendication 1, comprenant en outre jusqu'à 10 % en poids d'au moins un co-tensioactif hydrosoluble.

3. Lingette de nettoyage selon la revendication 2, comprenant en outre jusqu'à 1,0 % en poids d'un émulsifiant ou d'un tensioactif non ionique éthoxylé.

4. Lingette de nettoyage selon la revendication 3, comprenant en outre un parfum ou une huile essentielle.

5. Lingette de nettoyage selon la revendication 4, comprenant en outre jusqu'à 6 % en poids d'un alcanol en C₁ à C₄.

6. Lingette de nettoyage selon la revendication 5, comprenant en outre jusqu'à 5 % en poids d'un agent donneur de protons.

7. Lingette de nettoyage selon la revendication 6, dans lequel ledit alcanol en C₁ à C₄ est l'éthanol ou l'isopropanol.

8. Lingette de nettoyage selon la revendication 2, dans lequel ledit co-tensioactif est un mélange d'éthers de glycol dans lequel l'un desdits éthers de glycol est le propylène glycol N-butyl-éther.

9. Lingette de nettoyage selon la revendication 8, dans lequel ledit autre éther de glycol est le dipropylène glycol N-butyl-éther.

10. Lingette de nettoyage selon la revendication 9, dans lequel ledit tensioactif anionique est un tensioactif sulfate.

11. Lingette de nettoyage selon la revendication 10, dans lequel ledit polymère cationique est le chlorhydrate de polyhexaméthylène-4-biguanide.

12. Lingette de nettoyage selon l'une quelconque des revendications 1 à 11, dans lequel le tissu non tissé est composé de 60 % en poids à 95 % en poids de fibres de pâte de bois, 2,5 % en poids à 20 % en poids de fibres de viscose ; et de 2,5 % en poids à 20% en poids de fibres de polyester.