Cosmetic composition for treating keratin fibres, and process for treating the latter

Claim 2

A composition for the treatment of hair to improve the liveliness, shine, body, stiffness, and combout properties of the hair and to impart softness to the hair, said composition comprising, in a solvent medium, at least one amphoteric polymer of betainised dialkylaminoalkyl (meth) acrylate or dialkylaminoalkyl (meth) acrylamide containing units of the formula: ##STR16## in which R 1 denotes a hydrogen atom or a methyl group, R 2 denotes an alkylene group having 1 to 4 carbon atoms, Y denotes O or NH and R 3 and R 4 independently denote a hydrogen atom or an alkyl radical having 1 to 4 carbon atoms and at least one cationic surface-active agent selected from the group consisting of quaternary ammonium salts, an alkylamine acetate, alkylamine hydrochloride, an alkylamidodiethylamine that is soluble on neutralisation, a fatty diamine giving rise to a soluble salt, a condensation product of a fatty acid with hydroxyethylethylenediamine, an ethylhydroxymethylalkyloxazoline and a cationic protein hydrolysate.

Claim 3

The composition according to claim 1 in which the amphoteric polymer also contains units corresponding to the formula: ##STR17## wherein R 5 represents an alkyl or alkenyl radical having from 4 to 24 carbon atoms or a cycloalkyl radical having from 4 to 24 carbon atoms.

Claim 4

A composition according to claim 2, in which the amphoteric polymer is a terpolymer which contains, in addition to the units of the formula (I) and (II), units of the formula ##STR18## in which R 6 denotes an alkyl or alkenyl group having 1 to 3 carbon atoms.

Claim 5

A composition according to claim 2 in which the amphoteric polymer is a copolymer which contains, in addition to the units of the formula (I) and (II), at least one member selected from the group consisting of units derived from a hydrophilic ethylenic monomer (IV), units of a second, different, ethylenic monomer (V), and mixture of units derived from a hydrophilic ethylenic monomer (IV) and units of a second, different, ethylenic monomer (V).

Claim 6

A composition according to claim 1 wherein the amphoteric polymer is a copolymer containing units of the formulae (I), (II) and (III) in which Y denotes an oxygen atom, R 2 denotes the group --C 2 H 4 --, R 1 , R 3 and R 4 denote methyl, R 5 denotes an alkyl group having 4 to 18 carbon atoms, and R 6 denotes an alkyl group having 1 to 3 carbon atoms.

Claim 7

A composition according to claim 5 which also contains one or more anionic, non-ionic or amphoteric surface-active agents.

Claim 8

A composition according to claim 2, wherein the amphoteric polymer is a terpolymer, tetrapolymer or pentapolymer which contains, in addition to the units of the formulae (I) and (II), units of the formula III: ##STR19## in which R6 denotes an alkyl or alkenyl group having 1 to 3 carbon atoms, and at least one unit selected from the group consisting of units derived from a hydrophilic ethyleneic monomer (IV) and units of a second different ethyleneic monomer (V).

Claim 9

A composition according to claim 7 in which the amphoteric polymer is a copolymer containing from 25 to 45% of units of formula (I), from 5 to 65% by weight of units of formula (II), from 0 to 50% by weight of units of formula (III), from 0 to 20% by weight of units of formula (IV) and from 0 to 20% by weight of units of formula (V).

Claim 10

A composition according to claim 7 in which the amphoteric polymer is a copolymer which contains at least units of formula (I), (II) and (III), in which Y denotes an oxygen atom, R 2 denotes the group C 2 H 4 , R 1 , R 3 and R 4 denote methyl, R 5 denotes an alkyl group having from 4 to 18 carbon atoms and R 6 denotes an alkyl group having 1 to 3 carbon atoms.

Claim 11

A composition according to claim 7 wherein the amphoteric polymer is a copolymer containing units of the formulae (I), (II) and (III) in which Y denotes an oxygen atom, R 2 denotes the group --C 2 H 4 --, R 1 , R 3 and R 4 denote methyl, R 5 denotes an alkyl group having 4 to 18 carbon atoms, and R 6 denotes an alkyl group having 1 to 3 carbon atoms.

Claim 12

A composition according to claim 1 which also contains one or more anionic, non-ionic or amphoteric surface-active agents.

Claim 13

A composition according to claim 1 which contains one or more of a monoalcohol, polyalcohol, glycol ether, ester or methylene chloride, as solvent.

Claim 14

A composition according to claim 1 which is in the form of a thickened or non-thickened, aqueous, alcoholic or aqueous-alcoholic solution, a cream, a gel or an emulsion, or an aerosol, a foam or a spray.

Claim 15

A composition according to claim 1 which contains an alkali metal salt in an amount up to 10% by weight.

Claim 16

A composition according to claim 1 which is dispensed in the form of an aerosol foam and contains a propellant gas which is cosmetically compatible with the amphoteric polymer and the cationic surface-active agent.

Claim 17

A composition according to claim 1 which is in a form selected from the group consisting of a hair conditioner, a colouring product, a bleaching product, a shampoo, a setting lotion, a blow-drying lotion, a restructuring lotion, a perming lotion, a straightening lotion or a rinsing lotion to be applied before or after shampooing, before or after colouring or bleaching or before or after perming or straightening.

Claim 18

Process for conditioning hair, which comprises applying thereto at least one composition as defined in claim 1.

Claim 19

A shampoo composition for the hair which comprsies, in a solvent medium, an amount of about 3 to 50% of a surface-active agent, at least one amphoteric polymer of betainised dialkylaminoalkyl (meth)acrylate or dialkylaminoalkyl (meth)acrylamide containing units of the formula: ##STR20## in which R 1 denotes a hydrogen atom or a methyl group, R 2 denotes an alkylene group having 1 to 4 carbon atoms, Y denotes O or NH and R 3 and R 4 independently denote a hydrogen atom or an alkyl radical having 1 to 4 carbon atoms; and at least one cationic surface-active agent selected from the group consisting of quaternary ammonium salts, an alkylamine acetate, alkylamine hydrochloride, an alkylamidodiethylamine that is soluble on neutralisation, a fatty diamine giving rise to a soluble salt, a condensation product of a fatty acid with hydroxyethylethylenediamine, an ethylhydroxymethylakyloxazoline and a cationic protein hydrolysate.

Claim 20

A shampoo composition for the hair which comprsies, in a solvent medium, an amount of about 3 to 50% of a surface-active agent, at least one amphoteric polymer of betainised dialkylaminoalkyl (meth)acrylate or dialkylaminoalkyl (meth)acrylamide containing units of the formula: ##STR20## in which R 1 denotes a hydrogen atom or a methyl group, R 2 denotes an alkylene group having 1 to 4 carbon atoms, Y denotes O or NH and R 3 and R 4 independently denote a hydrogen atom or an alkyl radical having 1 to 4 carbon atoms; and at least one cationic surface-active agent selected from the group consisting of quaternary ammonium salts, an alkylamine acetate, alkylamine hydrochloride, an alkylamidodiethylamine that is soluble on neutralisation, a fatty diamine giving rise to a soluble salt, a condensation product of a fatty acid with hydroxyethylethylenediamine, an ethylhydroxymethylakyloxazoline and a cationic protein hydrolysate.

Claim 21

A composition for conditioning the hair which comprises, in a solvent medium, at least one amphoteric polymer of betainised dialkylaminoalkyl (meth)acrylate or dialkylaminoalkyl (meth)acrylamide, containing units of the formula: ##STR21## in which R 1 denotes a hydrogen atom or a methyl group, R 2 denotes an alkylene group having 1 to 4 carbon atoms, Y denotes O or NH and R 3 and R 4 independently denote a hydrogen atom or an alkyl radical having 1 to 4 carbon atoms; and at least one cationic surface-active agent selected from the group consisting of quaternary ammonium salts, an alkylamine acetate, alkylamine hydrochloride, an alkylamidodiethylamine that is soluble on neutralization, a fatty diamine giving rise to a soluble salt, a condensation product of a fatty acid with hydroxyethylethylenediamine, an ethylhydroxymethylalkyloxazoline and a cationic protein hydrolysate.

Claim 22

A composition for conditioning the hair which comprises, in a solvent medium, at least one amphoteric polymer of betainised dialkylaminoalkyl (meth)acrylate or dialkylaminoalkyl (meth)acrylamide, containing units of the formula: ##STR21## in which R 1 denotes a hydrogen atom or a methyl group, R 2 denotes an alkylene group having 1 to 4 carbon atoms, Y denotes O or NH and R 3 and R 4 independently denote a hydrogen atom or an alkyl radical having 1 to 4 carbon atoms; and at least one cationic surface-active agent selected from the group consisting of quaternary ammonium salts, an alkylamine acetate, alkylamine hydrochloride, an alkylamidodiethylamine that is soluble on neutralization, a fatty diamine giving rise to a soluble salt, a condensation product of a fatty acid with hydroxyethylethylenediamine, an ethylhydroxymethylalkyloxazoline and a cationic protein hydrolysate.

Claim 23

A composition according to claim 1, wherein the quaternary ammonium salt surface-active agent is selected from the group consisting of an alkyltrimethylammonium chloride, an alkyltrimethylammonium bromide, an alkyltrimethylammonium p-toluenesulphonate, a dialkyldimethylammonium chloride, a dialkyldimethylammonium bromide, an alkylmethyldipolyoxyethyleneammonium chloride, a dialkyldi-polyoxyethyleneammonium sulphate, an alkyltripolyoxyethylene-ammonium chloride, an alkyltripolyoxyethylene-ammonium phosphate, a polyoxypropylenemethyldiethyl-ammonium chloride, an alkyldimethylhydroxyethylammonium chloride, an alkylpyridinium chloride, an alkylethylmorpholinium etho-sulphate, an alkylisoquinolinium chloride, an alkylisoquinolinium bromide, an alkyldimethylbenzylammonium chloride, an alkyldimethylbenzylammonium bromide, an alkyldimethylbenzylammonium saccharinate, an alkylbenzyltrimethylammonium chloride, an alkylbenzyltri-β-hydroxyethyl)-ammonium chloride, an alkyldimethylalkylbenzylammoniumcyclohexylsulphonate, an alkylxylyl-bis-(trimethylammonium) chloride, an alkyl-(2-phenoxyethyl)-ammonium bromide, an alkylamidopropyldimethylhydroxyethylammonium chloride, an alkylamidopropyldiethylhydroxyethylammonium chloride, an alkylamidopropyldimethylacetamidoammonium chloride, an alkylamidoethylpolyhydroxy ethylammonium hydrochloride, a quaternary gluconamide halide, a quaternary halide of a mink oil amide, a quaternary derivative of a fatty halogenoalkanoate of dialkylaminopropylamide, and a quaternary ammonium derivative of a lanolin fatty acid.

Claim 24

A composition according to claim 19 which also contains a perfume, dyestuff which serves to colour either the composition itself or the hair or skin, preservative, sequestering agent, thickener, emulsifying agent, softener, non-ionic or anionic polymer or foam stabiliser.