EP0106692A1
Expired / Lapsed
EP
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Liquid detergent containing polyethylene glycol
Assignee: Procter and Gamble Co
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Filing: 1983-10-17
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Granted: —
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Expires: 2003-10-17
Abstract
Abstract Described are stable liquid detergent compositions containing polyethylene glycol and a surfactant mixture consisting essentially of nonionic, polysaccharide and cationic surfactants. The addition of the polyethylene glycol provides enhanced cleaning, especially on particulate soils.
Inventors
- 👤 Keith Anthony Jones
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-28 11:40
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/16; C11D3/37; C11D3/3703; C11D3/3707; C11D1/00; C11D1/66; C11D1/662; C11D1/835; C11D3/20; C11D3/22; C11D3/221; C11D1/38; C11D1/62; C11D1/72
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
198 words
A stable liquid detergent composition characterized by: (i) from 5% to 50% by weight of a surfactant mixture consisting essentially of: (a) a nonionic detergent surfactant having an HLB of from 5 to 14, or a mixture of such surfactants; (b) an alkylpolysaccharide detergent surfactant of the formula RO(R'O) Y (Z) X where R is alkyl, hydroxyalkyl, alkylphenyl, hydroxyalkylphenyl, alkylbenzyl, or mixtures thereof, said alkyl groups containing from 8 to 18 carbon atoms; where each R' contains from 2 to 4 carbon atcms and y is fran 0 to 12; and where each Z is a moiety derived from a reducing saccharide containing 5 or 6 carbon atoms, and x is a number from 1 1/2 to 10; and (c) a quaternary ammonium cationic surfactant having 2 chains which contain an average of from 12 to 22 carbon atoms, or a mixture of such surfactants; the weight ratio of (a) to (b) being from 7:1 to 0:1, and the weight ratio of (a) + (b) to (c) being in the range of from 2:1 to 12:1; and (ii) from 0.1% to 10% by weight of a polyethylene glycol having an average molecular weight of from 2000 to 15,000.
Claim 2
Dependent Claim
198 words
A stable liquid detergent composition characterized by: (i) from 5% to 50% by weight of a surfactant mixture consisting essentially of: (a) a nonionic detergent surfactant having an HLB of from 5 to 14, or a mixture of such surfactants; (b) an alkylpolysaccharide detergent surfactant of the formula RO(R'O) Y (Z) X where R is alkyl, hydroxyalkyl, alkylphenyl, hydroxyalkylphenyl, alkylbenzyl, or mixtures thereof, said alkyl groups containing from 8 to 18 carbon atoms; where each R' contains from 2 to 4 carbon atcms and y is fran 0 to 12; and where each Z is a moiety derived from a reducing saccharide containing 5 or 6 carbon atoms, and x is a number from 1 1/2 to 10; and (c) a quaternary ammonium cationic surfactant having 2 chains which contain an average of from 12 to 22 carbon atoms, or a mixture of such surfactants; the weight ratio of (a) to (b) being from 7:1 to 0:1, and the weight ratio of (a) + (b) to (c) being in the range of from 2:1 to 12:1; and (ii) from 0.1% to 10% by weight of a polyethylene glycol having an average molecular weight of from 2000 to 15,000.
Claim 3
Dependent Claim
23 words
A composition according to Claim 1 characterized in that the weight ratio of (a) + (b) to (c) is from 3:1 to 9:1.
Claim 4
Dependent Claim
70 words
A composition according to Claim 1 or 2 characterized in that the cationic surfactant is selected from compounds of the formula or mixtures thereof, wherein the R 1 and R 2 groups contain an average of from 16 to 22 carbon atoms, R . and R 4 are C 1 to C 4 alkyl or hydroxyalkyl groups, and X is an anion selected from halide, hydroxide, methyl sulfate, or acetate.
Claim 5
Dependent Claim
53 words
A composition according to any of Claims 1 to 3 characterized in that the nonionic surfactant has the formula R(OC 2 H 4 ) n CH wherein R is a primary alkyl chain containing an average of from 10 to 18 carbon atoms and n is an average of from 2 to 9.
Claim 6
Dependent Claim
79 words
A composition according to any of Claims 1 to 4 characterized in that the alkylpolysaccharide surfactant has the formula R 2 (C n H 2n O) t (glycosyl) x , wherein R 2 is selected from alkyl, alkylphenyl, hydroxyalkyl, hydroxyalkylphenyl, and mixtures thereof, said alkyl groups containing from 10 to 18 carbon atoms, n is 2 or 3, t is from 0 to 10, the glycosyl moiety is derived from glucose, and x is from 1 1/2 to 3.
Claim 7
Dependent Claim
24 words
A composition according to any of Claims 1 to 5 characterized in that the ratio of (a) to (b) is from 3:1 to 1:3.
Claim 8
Dependent Claim
26 words
A composition according to any of Claims 1 to 6 characterized in that the polyethylene glycol has an average molecular weight of from 4000 to 8000.
Claim 9
Dependent Claim
32 words
A composition according to any of Claims 1 to 7 characterized by 15% to 30% by weight of the surfactant mixture and from 0.5% to 3% by weight of the polyethylene glycol.
References Cited (Backward Citations)
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