Global patent index - EP 0915950 A4

EP 0915950 A4 2000-01-26 - A DETERGENT COMPOSITION COMPRISING AN ACID SOURCE WITH A SPECIFIC PARTICLE SIZE

Title (en)

A DETERGENT COMPOSITION COMPRISING AN ACID SOURCE WITH A SPECIFIC PARTICLE SIZE

Title (de)

WASCHMITTEL ENTHALTEND EINE SÄUREQUELLE MIT SPEZIFISCHER TEILCHENGRÖSSE

Title (fr)

COMPOSITION DE DETERGENCE COMPRENANT UNE SOURCE ACIDE PRESENTANT UNE DIMENSION DE PARTICULE SPECIFIQUE

Publication

EP 0915950 A4 (EN)

Application

EP 97936178 A

Priority

  • GB 9616076 A
  • US 9712894 W

Abstract (en)

[origin: GB2315761A] A detergent composition, preferably in granular form, comprises (percentages by weight): (I) a surfactant; (II) a system, which liberates a gas on reaction, comprising: (i) a particulate acid source, preferably comprising up to 15% of the composition, at least 80% having a particle size of from 150 to 710 microns, with at least 37% having a particle size of not more than 350 microns, which may be selected from organic acids (especially citric acid, glutaric acid, succinic acid and adipic acid) and inorganic (including mineral) acids (especially monosodium phosphate, sodium hydrogen sulphate and boric acid); (ii) an alkaline source, preferably comprising from 2 to 75% by weight of the composition, preferably selected from an alkali metal carbonate, alkali metal bicarbonate, alkali metal sesquicarbonate, alkali metal percarbonate, alkaline earth metal carbonate, alkaline earth metal bicarbonate and alkaline earth metal sesquicarbonate.

IPC 1-7 (main, further and additional classification)

C11D 3/18; C11D 3/10; C11D 3/20

IPC 8 full level (invention and additional information)

C11D 3/04 (2006.01); C11D 1/645 (2006.01); C11D 1/65 (2006.01); C11D 3/00 (2006.01); C11D 3/02 (2006.01); C11D 3/10 (2006.01); C11D 3/20 (2006.01); C11D 17/06 (2006.01); C11D 1/14 (2006.01); C11D 1/22 (2006.01); C11D 1/29 (2006.01); C11D 1/40 (2006.01); C11D 1/44 (2006.01); C11D 1/62 (2006.01)

CPC (invention and additional information)

C11D 3/046 (2013.01); C11D 1/645 (2013.01); C11D 1/65 (2013.01); C11D 3/0052 (2013.01); C11D 3/10 (2013.01); C11D 3/2086 (2013.01); C11D 17/065 (2013.01); C11D 1/146 (2013.01); C11D 1/22 (2013.01); C11D 1/29 (2013.01); C11D 1/40 (2013.01); C11D 1/44 (2013.01); C11D 1/62 (2013.01)

Citation (search report)

  • No further relevant documents disclosed
  • See also references of WO 9804662A1

Designated contracting state (EPC)

AT BE CH DE DK ES FI FR GB GR IE IT LI LU NL PT SE

EPO simple patent family

GB 2315761 A 19980211; GB 9616076 D0 19960911; AR 008118 A1 19991209; AU 3891297 A 19980220; BR 9711609 A 20020115; CA 2261609 A1 19980205; CA 2261609 C 20021015; CZ 9900302 A3 19990714; EP 0915950 A1 19990519; EP 0915950 A4 20000126; HU 9904343 A2 20000528; HU 9904343 A3 20011029; JP 2000500812 A 20000125; MA 24282 A1 19980401; MX 211934 B 20021209; MX 9901078 A 19990501; WO 9804662 A1 19980205; ZA 9706669 B 19980210; ZA 9706670 B 19980901; ZA 9706671 B 19980211

INPADOC legal status

2004-01-02 [18D] DEEMED TO BE WITHDRAWN

- Ref Legal Event Code: 18D

- Effective date: 20030611

2003-01-15 [17Q] FIRST EXAMINATION REPORT

- Ref Legal Event Code: 17Q

- Effective date: 20021127

2000-01-26 [A4] SUPPLEMENTARY SEARCH REPORT

- Ref Legal Event Code: A4

- Effective date: 19991213

2000-01-26 [AK] DESIGNATED CONTRACTING STATES:

- Ref Legal Event Code: AK

- Designated State(s): AT BE CH DE DK ES FI FR GB GR IE IT LI LU NL PT SE

2000-01-26 [RIC1] CLASSIFICATION (CORRECTION)

- Ref Legal Event Code: RIC1

- Free Format Text: 7C 11D 3/18 A, 7C 11D 3/10 B, 7C 11D 3/20 B

1999-05-19 [17P] REQUEST FOR EXAMINATION FILED

- Ref Legal Event Code: 17P

- Effective date: 19990125

1999-05-19 [AK] DESIGNATED CONTRACTING STATES:

- Ref Legal Event Code: AK

- Designated State(s): AT BE CH DE DK ES FI FR GB GR IE IT LI LU NL PT SE