Washing and foaming composition based on non-ionic surface-active agents and anionic polymers

Claim 2

A washing and foaming composition which comprises at least one nonionic surface-active agent which, as a 10% by weight aqueous solution, has a detergency which is greater than or equal to that of a 2% by weight aqueous solution of sodium lauryi- sulphate, and at least one 35 anionic polymer in proportions such that the weight ratio of anionic polymer: non-ionic surface active agent is greater than 0. 1: 1, but containing substantially no cationic polymer.

Claim 3

A composition according to Claim 1, in which the weight ratio of anionic polymer:non ionic surface-active agent is from 0. 12 5:1 to 2.25: 1.

Claim 4

A composition according to Claim 1 or 2, in which the non-ionic surface-active agent is a 40 glucoside alkyl ether or a condensation product of a monoalcohol, and a- diol, an alkylphenol or an alkanolamide with glycidol or a glycidol precursor.

Claim 5

A composition according to Claim 3, in which the non-ionic surfaceactive agent is - a product of the formula: Rl-CHOH-CH2-0-(CH2-CHOH-CH2-0-1-,H in which R, denotes an aliphatic, cycloaliphatic or arylaliphatic radical having from 7 to 21 carbon atoms, or a mixture thereof, it being possible for the aliphatic chains to contain one or more ether, thioether or hydroxymethylene groups, and p is from 1 to 10; -a product of the formula: R20-1-C2H30(CH2OH)-],-H in which R2 denotes an alkyl, alkenyl or alkylaryl radical and q has a statistical value of from 1 55 to 10; and -a product of the formula: Z a 1 if 1: R,CONH-CH2-CH,-0CH2CH,-0-[CH,-CHOHCH2-o-]-rH in which R3 denotes a linear or branched, saturated or unsaturated aliphatic radical, or a mixture of such radicals, which can optionally contain one or more hydroxyl groups, has 8 to 30 carbon atoms, and r represents an interger or decimal number from 1 to

Claim 6

5 and'denotes the average degree of condensation. 11 GB 2 139 243A 11 5. A composition according to Claim 4, in which the non-ionic surface- active agent has the formula: R,-CHOH-CH2-0-(CH2-CHOH-CH2-0-1-,H in which R, denotes a mixture of alkyl radicals having from 9 to 12 carbon atoms and p has a statistical value of about 3.5.

Claim 7

A composition according to Claim 4, in which the surface-active agent has the formula: R2-0-[C2H30-(CH2OH)-1-,H in which R2 denotes C12H25 and q has a statistical value of 4 to 5, or alternatively R2 denotes a mixture of C,OH2, and C,21-125 radicals and q has a statistica! value of about 3.75.

Claim 8

A composition according to Claim 4, in which the non-ionic surfaceactive agent has the 15 formula: R-CONH-CH2-CH2-0-CH2-CH2-0-[CH2CHOH-CH2-0-1-,H in which R3 denotes a mixture of radicals derived from lauric, myristic, oleic and copra acids and 20 r has a statistical value of 3 to 4.

Claim 9

A composition according to Claim 3, in which the non-ionic surfaceactive agent is a glucoside alkyl ether of the formula: Take in illustration 6 in which R4 denotes an alkyl radical having 8 to 10 carbon atoms and n is equal to 0, 1, 2, 3 or 4.

Claim 10

A composition according to any one of Claims 1 to 8, in which the anionic polymer is a 35 polymer having a molecular weight of from 500 to 6,000,000 and containing carboxylic or sulphonic acid groups.

Claim 11

A composition according to any one of Claims 1 to 9, in which the anionic polymer is a polymer derived from an unsaturated monocarboxylic or dicarboxylic acid of the formula: Take in illustration 7 in which n is 0 or an integer from 1 to 10, A denotes a methylene group optionally joined to the carbon atom of the unsaturated group via a heteroatom, if n is greater than 1, the A groups can optionally be interrupted by a heteroatom, R, denotes a hydrogen atom or a lower alkyl or benzyl group, R, denotes a hydrogen atom or a lower alkyl or carboxyl group and R3 denotes a hydrogen atom, a lower alkyl group, a -CH2-COOH group or a phenyl or benzyl group.

Claim 12

A composition according to Claim 10, in which the anionic polymer is an acrylic or methacrylic acid homopolymer or copolymer, an acrylamide carboxylic acid copolymer, a polyhydroxycarboxylic acid polymer, or a polymer derived from maleic, fumaric, itaconic, citraconic, phenylmaleic, benzylmaleic, dibenzylmaleic or ethylmaleic acid, or derived from an anhydride, or from a half-ester of said acids, optionally copolymerized with a compound containing a C = CH2 group such as ethylene, a vinyl, an ally[ or methallyl ester, a vinyl ether, a vinyl halide, a phenylvinyl derivative, an acrylic or methacrylic acid or an ester thereof, a cinnamic acid ester, a substituted or unsubstituted acrylamide or methacrylamide, an a-olefin or N-vinylpyrrolidone or a cinnamic acid ester.

Claim 13

A composition according to Claim 9, in which the anionic polymer is a salt of a polyacrylam idesu I phonic acid.

Claim 14

A composition according to any one of Claims 1 to 12, in which the surface-active agent is present in an amount of from 0.5 to 20% by weight.

Claim 15

A composition according to Claim 13, in which the surface-active agent is present in an amount of from 2 to 8% by weight. 12 GB 2 139 243A 12

Claim 16

A composition according to any one of Claims 1 to 14, in which the anionic polymer is present in an amount of from 0.05 to 15% by weight.

Claim 17

A composition according to Claim 15, in which the anionic polymer is present in an amount of from 1 to 8% by weight.

Claim 18

A composition according to any one of Claims 1 to 16, which has a pH of from 2 to 10. 5

Claim 19

A composition according to any one of Claims I to 17 which also contains an anionic surface-active agent.

Claim 20

A composition according to any one of Claims 1 to 18, which is in the form of an aqueous or aqueous-alcoholic, optionally thickened, solution, a cream, a gel, a dispersion, an emulsion or an aerosol foam.

Claim 21

A composition according to Claim 1 substantially as described in any one of the Examples.

Claim 22

A process for washing or cleaning keratin fibres or the skin, which comprises applying thereto at least one composition as claimed in any one of Claims 1 to 20. Printed in the United Kingdom for Her Majesty's Stationery Office, Dd 8818935, 1984. 4235. Published at The Patent Office, 25 Southampton Buildings, London, WC2A l AY, from which copies may be obtained. Q i 7 J