EP0132960A2 — Process and composition for coloring hair with pi…

Claim 1

Independent Claim 112 words

A process for coloring hair on the human head with a liquid composition containing one or more pigments which comprises: (a) forming a dispersion of an effective coloring amount of said pigment in an aqueous alcoholic liquid medium containing a cationic polymer; said cationic polymer being compatible with said aqueous alcoholic medium and the ratio by volume of alcohol to water in said aqueous alcoholic medium being in the range of from about 1:10 to about 50:1; (b) applying said dispersion to said hair at a temperature that is tolerated by the live human scalp and for a time sufficient to deposit an effective coloring amount of said pigment on said hair.

Claim 2

Dependent Claim 112 words

A process for coloring hair on the human head with a liquid composition containing one or more pigments which comprises: (a) forming a dispersion of an effective coloring amount of said pigment in an aqueous alcoholic liquid medium containing a cationic polymer; said cationic polymer being compatible with said aqueous alcoholic medium and the ratio by volume of alcohol to water in said aqueous alcoholic medium being in the range of from about 1:10 to about 50:1; (b) applying said dispersion to said hair at a temperature that is tolerated by the live human scalp and for a time sufficient to deposit an effective coloring amount of said pigment on said hair.

Claim 3

Dependent Claim 24 words

A process according to Claim 1 in which said composition is applied to said hair by combing it through the hair. or Claim 2

Claim 4

Dependent Claim 19 words

A process according to Claim l/in which the hair is dried after application of said dispersion. 2, or 3

Claim 5

Dependent Claim 24 words

A process according to Claim l/in which said composition is applied to the hair for a period of from about 1 to 20 minutes.

Claim 6

Dependent Claim 29 words

A process according to Claim 4 wherein said time of application is in the range of from about 1 minute to about 10 minutes. any one of to 5

Claim 7

Dependent Claim 22 words

A process according to/Clainsl/in which said hair is rinsed after the application of said composition and then subjected to a drying step.-

Claim 8

Dependent Claim 22 words

A process according to/Clainsl/in which said hair is rinsed after the application of said composition and then subjected to a drying step.-

Claim 9

Dependent Claim 34 words

any_one of to 6 7. A process according to/Claimsl/in which the ratio by volume of alcohol to water in said aqueous alcoholic medium is in the range of from about 1:1 to about 3:1.

Claim 10

Dependent Claim 32 words

A process according to Claim 7 in which the ratio by volume of alcohol to water in said aqueous alcoholic medium is in the range of from about 1.2:1 to about 2:1.

Claim 11

Dependent Claim 20 words

any one of to 8 9. A process according to/Claimsl/in which said cationic polymers contain amino or quaternary ammonium groups.

Claim 12

Dependent Claim 43 words

any one of to 9 10. A process according to/Claim 1/in which the cationic polymer is of the following structure: wherein: (a) D is a divalent alkylene radical; (b) R is alkyl or substituted alkyl; and (c) x is the degree of polymerization.

Claim 13

Dependent Claim 48 words

any one of to 9 11. A process according to/Claimsl/in which said cationic polymer is of the formula: wherein: (a) R' is lower alkyl; (b) R" is hydrogen or lower alkyl; (c) R''' is lower hydroxyalkyl; (d) X is halogen; and (e) x is the degree of polymerization.

Claim 14

Dependent Claim 19 words

any one of to 9 12. A process according to/Claimsl/in which said cationic polymer is a quaternized polyvinylic pyridine.

Claim 15

Dependent Claim 68 words

A composition for coloring hair on the human head which comprises: (a) a dispersion of an effective coloring amount of a pigment in an aqueous alcoholic liquid medium containing a cationic polymer; said cationic polymer being compatible with said aqueous alcoholic medium; and (b) the ratio by volume of alcohol to water in said aqueous alcoholic medium being in the range of from about 1:10 to about 50:1.

Claim 16

Dependent Claim 68 words

A composition for coloring hair on the human head which comprises: (a) a dispersion of an effective coloring amount of a pigment in an aqueous alcoholic liquid medium containing a cationic polymer; said cationic polymer being compatible with said aqueous alcoholic medium; and (b) the ratio by volume of alcohol to water in said aqueous alcoholic medium being in the range of from about 1:10 to about 50:1.

Claim 17

Dependent Claim 32 words

A composition according to Claim 13 in which the ratio by volume of alcohol to water in said aqueous alcoholic medium is in the range of from about 1:1 to about 3:1.

Claim 18

Dependent Claim 32 words

A composition according to Claim 14 in which the ratio by volume of alcohol to water in said aqueous alcoholic medium is in the range of from about 1.2:1 to about 2:1.

Claim 19

Dependent Claim 25 words

14, or 1 5 16. A composition according to Claim 13,/in which said cationic polymers are selected from polymers containing amino or quaternary ammonium groups.

Claim 20

Dependent Claim 41 words

any one of to 16 17. A composition according to/Claims13/in which said cationic polymer is of the formula: wherein: (a) D is a divalent alkylene radical; (b) R is alkyl or substituted alkyl; and (c) x is the degree of polymerization.

Claim 21

Dependent Claim 50 words

any one of to 16 18. A composition according to / Claimsl3/in which said cationic polymer is of the formula: wherein: (a) R' is lower alkyl; (b) _R" is hydrogen or lower alkyl; (c) R''' is lower hydroxyalkyl; (d) X is halogen; and (e) x is the degree of polymerization.

Claim 22

Dependent Claim 20 words

any one of to 16 19. A composition according to/Clains 13/in which said cationic polymer is a quaternized polyvinylic pyridine.

Claim 23

Dependent Claim 20 words

any one of to 16 19. A composition according to/Clains 13/in which said cationic polymer is a quaternized polyvinylic pyridine.

Claim 24

Dependent Claim 42 words

any one of to 19 20. A composition according to/Claimsl3/in which said pigment is present in said composition at a level in the range of from about .01% to about 10% solids by weight based on the total weight of said composition.

Claim 25

Dependent Claim 46 words

any one of 13 to 21. A composition according to Claims 20 in which said cationic polymer is present in said composition at a level in the range of from about .1% to about 20% solids by weight based on the total weight of said composition.

Claim 26

Dependent Claim 42 words

any one of to 21 22. A composition according to/Claimsl3/in which said pigment is present in said composition at a level within the range of from about .03% to about 7% solids by weight based on the total weight of said composition.

Claim 27

Dependent Claim 46 words

any one of 13 to 23. A composition according to Clains 22 in which said cationic polymer is present in said composition at a level in the range of from about 2.5% to about 5% solids by weight based on the total weight of said composition.

Claim 28

Dependent Claim 46 words

any one of 13 to 23. A composition according to Clains 22 in which said cationic polymer is present in said composition at a level in the range of from about 2.5% to about 5% solids by weight based on the total weight of said composition.

Process and composition for coloring hair with pigments

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