Benzene sulfonate quaternary ammonium salts of organic sunscreen carboxylic acids

Claim 2

1 As a novel composition of matter a benzene sulphonate quaternary salt of an organic sunscreen carboxylic acid corresponding to the formula wherein the RCO moiety is selected from the group consisting of p-amino benzoic acid, p-dimethyl amino benzoic acid, p-methoxy cinnamic acid, p-methoxy benzal malonic acid, and cinnamal malonic acid; R' is an alkyl group having from 1 to 2 carbon atoms. R" is an alkyl group having from 10 to 20 carbon atoms R'" is selected from the group consisting of H and CHj; X is selected from the group consist-ing of 0 and NH and Y is an integer of 0 to 1.

Claim 3

2 The composition of Claim 1 in which the RCO moiety is selected from the group consisting of p-dimethyl amino benzoic acid, p-methoxy cinnamic acid, p-methoxy benzal malonic acid, and cinnamal malonic acid.

Claim 4

3 The composition of Claim 2 selected from the group consisting of cetyl/stearyl p-toluene sulphonate quaternary of 2-dimethyl amino ethyl p-dimethyl amino benzoate; cetyl/stearyl p-toluene sulphonate quaternary of 2-dimethyl amino ethyl p-methoxy cinnamate; and di-cetyl stearyl p-toluene sulphonate quaternary of di(2-dimethyl amino ethyl) p-methoxy benzal malonate.

Claim 5

4 A composition adapted for application to human hair comprising a cosmetic carrier containing an effective amount, sufficient to provide substantial protection from the effects of sunlight of a benzene sulphonate quaternary salt of an organic sunscreen carboxylic acid corresponding to the formula: wherein the RCO moiety is selected from the group consisting of p-amino benzoic acid, p-dimethyl amino benzoic acid, p-methoxy cinnamic acid, p-methoxy benzal malonic acid, and cinnamal malinic acid; R' is an alkyl group having from 1 to 2 carbon atoms; R" is an alkyl group having from 10 to 20 carbon atoms; R'" is selected from the group consisting of H and CH 3 ; X is selected from the group consisting of 0 and NH and Y is an integer of 0 to 1.

Claim 6

4 A composition adapted for application to human hair comprising a cosmetic carrier containing an effective amount, sufficient to provide substantial protection from the effects of sunlight of a benzene sulphonate quaternary salt of an organic sunscreen carboxylic acid corresponding to the formula: wherein the RCO moiety is selected from the group consisting of p-amino benzoic acid, p-dimethyl amino benzoic acid, p-methoxy cinnamic acid, p-methoxy benzal malonic acid, and cinnamal malinic acid; R' is an alkyl group having from 1 to 2 carbon atoms; R" is an alkyl group having from 10 to 20 carbon atoms; R'" is selected from the group consisting of H and CH 3 ; X is selected from the group consisting of 0 and NH and Y is an integer of 0 to 1.

Claim 7

5 The composition of Claim 4 in which the RCO moiety is selected from the group consisting of p-dimethyl amino benzoic acid, p-methoxy cinnamic acid, p-methoxy benzal malonic acid, and cinnamal malonic acid.

Claim 8

6 The composition of Claim 5 in which the salt is selected from the group consisting of cetyl/ stearyl p-toluene sulphonate quaternary of 2-dimethyl amino ethyl p-dimethyl amino benzoate; cetyl/stearyl p-toluene sulphonate quaternary of 2-dimethyl amino ethyl p-methoxy cinnamate; and di-cetyl stearyl p-toluene sulphonate quaternary of di(2-dimethyl amino ethyl) p-methoxy benzal malonate.

Claim 9

7 A method of substantially protecting human hair from the effects of sunlight which comprises applying to the hair an effective amount of a benzene sulphonate quaternary salt of an organic sunscreen carboxylic acid corresponding to the formula: wherein the RCO moiety is selected from the group consisting of p-amino benzoic acid, p-dimethyl amino benzoic acid, p-methoxy cinnamic acid, p-methoxy benzal malonic acid, and cinnamal malonic acid; R' is an alkyl group having from 1 to 2 carbon atoms: R" is an alkyl group having from 10 to 20 carbon atoms; R'" is selected from the group consisting of 0 and NH and Y is an integer of 0 to 1.

Claim 10

7 A method of substantially protecting human hair from the effects of sunlight which comprises applying to the hair an effective amount of a benzene sulphonate quaternary salt of an organic sunscreen carboxylic acid corresponding to the formula: wherein the RCO moiety is selected from the group consisting of p-amino benzoic acid, p-dimethyl amino benzoic acid, p-methoxy cinnamic acid, p-methoxy benzal malonic acid, and cinnamal malonic acid; R' is an alkyl group having from 1 to 2 carbon atoms: R" is an alkyl group having from 10 to 20 carbon atoms; R'" is selected from the group consisting of 0 and NH and Y is an integer of 0 to 1.

Claim 11

8 The method of Claim 7 in which the RCO moiety is selected from the group consisting of p-dimethyl amino benzoic acid, p-methoxy cinnamic acid, p-methoxy benzal malonic acid, and cinnamal malonic acid.

Claim 12

9 The method of Claim 8 in which the salt is selected from the group consisting of cetyl/ stearyl p-toluene sulphonate quaternary of 2-dimethyl amino ethyl p-dimethyl amino benzoate; cetyl/stearyl p-toluene sulphonate quaternary of 2-dimethyl amino ethyl p-methoxy cinnamate; and di-cetyl stearyl p-toluene sulphonate quaternary of di(2-dimethyl amino ethyl) p-methoxy benzal malonate.