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1. (WO2017096063) METHOD FOR TREATING HAIR
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CLAIMS

What is claimed is:

1. A method for treating hair comprising:

(a) applying to the hair a first composition comprising in a cosmetically acceptable carrier, one or more linkers, or cosmetically acceptable salts thereof, or mixtures thereof, wherein the one or more linkers is a polylunctional molecule which is independently substituted with one or more substituents which are selected from the group consisting of hydrogen, halogen, hydroxy, alkyl, alkenyl, aikynyl, alkoxy, cycioalkyl, cycloalkenyl, cycloalkynyl, aryl, heterocyclyl, heteroaryl, amine, formyl, acyl, carboxyiic acid, -C(0)R\ -O.0 )i >R : . (-COO ), -CONH2, -CONHR1, - C(0)NR!R2, - NRiR2,-NRiS(0)2R2, -NR!C(0)R2, -S(0)2R2, -SR1, -S(0)2NR1R2, -SQR1, or -SOOR1 and mixtures thereof;

wherein R1 and R2 are each independently selected from the group consisting of a hydrogen, alkyl, alkenyl, aikynyl, cycioalkyl, cycloalkenyl, cycloalkynyl, aryl, heterocyclyl, and heteroaryl group;

wherein each of R1 and R2 is independently unsubstituted or substituted with one or more substituents selected from the group consisting of halogen, hydroxy, alkyl, alkenyl, aikynyl, amino, alkylamino, dialkylamino, alkoxy, aryloxy, cycioalkyl, cycloalkenyl, cycloalkynyl, aryl, heterocyclyl, heteroaryl and mixtures thereof;

(b) applying to the hair a second composition comprising in a cosmetically acceptable carrier, one or more electrophiie ingredients of Formula i, or cosmetically acceptable salts thereof, or mixtures thereof:


Formula I

wherein G is C and n= 1 or G is S and n = 2;

wherein R3 is ZR4, wherein Z is selected from the group consisting of O, NH2, NH, and N;

wherein R4 is independently selected from the group consisting of: -H, -Ci-6 alkyl groups; aryl groups; and ionizable functional groups;

wherein R5 is independently selected from the group consisting of: -H, -CVe alkyl groups; aryl groups; and ionizable functional groups;

wherein Re is independently selected from the group consisting of: -H, -Cj-6 alkyl groups; aryl groups; and ionizable functional groups;

wherein the ionizable functional group is independently selected from the group consisting of: -COOH, - SO3H, -?(¼¾, -N(R7)2, -N(R7)3; wherein R7 is independently selected from the group consisting of a hydrogen, alkyl, alkenyl, alkynyl, cycloalkyl, cycloalkenyl, cycloalkynyl, aryl, heterocyclyl and heteroaryl groups; wherein each R' is independently unsubstituted or substituted with one or more substituents; and

wherein the first composition does not comprise any electrophiie ingredients of Formula I of the second composition.

2. The method according to Claim 1 , wherein the second composition does not comprise any linkers of the first composition.

3. The method according to Claim 1 , wherein step (a) occurs prior to step (b).

4. The method according to Claim 1 , wherein the one or more linkers are selected from the group consisting of:


cosmetically acceptable salts thereof, and mixtures thereof.

The method according to Claim I , wherein the one or more eletrophile ingredients are


The method according to Claim 1 , wherein the one or more linkers are selected from group consisting of:



acceptable salts thereof, and mixtures thereof; and


thereof, and mixtures thereof.

7. The method according to Claim 1, wherein the first composition comprises one or more oxidizing agents.

8. The method according to Claim 1 , wherein the first composition comprises oxidative dye precursors including one or more couplers and one or more primary intermediates.

9. The method according to Claim 8, wherein the first composition is substantially free of oxidizing agent.

10. The method according to Claim 1 , wherein the first composition comprises from 0.1% to 25% of the one or more linkers by total weight of the first composition.

11. The method according to Claim 1 , wherein the second composition comprises from 0.1 % to 25% of the one or more eletrophile ingredients by total weight of the second composition.

12. The method according to Claim 1 , further comprising:

(c) rinsing, shampooing, conditioning the hair, or a combination thereof,

wherein step (c) occurs subsequent to step (a) and/or step (b).

13. The method according to Claim 1 , wherein the second composition is substantially free of any initiator of free-radical polymerisation.

14. A kit comprising:

(a) a first co position as defined in Claim. 1 ;

(b) a second composition as defined in Claim 1 ;

wherein the first composition does not comprise any electrophile ingredients of Fori of the second composition; and

wherein the first composition and the second composition are separately packaged.

15. The kit according to Claim 14, wherein the one or more linkers are selected from the


acceptable salts thereof, and mixtures thereof; and


6. A first composition for treating hair comprising in a cosmetically acceptable carrier, one or more linkers, or cosmetically acceptable salts thereof, or mixtures thereof, wherein the one or more linkers is a polyfunctional molecule which is independently substituted with one or more substituents which are selected from the group consisting of hydrogen, halogen, hydroxy, alkyl, aikenyl, alkynyl, alkoxy, cycloalkyl, cycloaikenyl, cycloalkynyl, aryl, heterocyclyl, heteroaryl, amine, formyl, acyi, carboxyiic acid, -C(0)R\ -C(0)OR\ { -C O ). -CONH2, -CONHR1 , - ('{ () }S \V R -NR1R2,-NR1S(0)2R2, -NR'CfOIR2, - S(0)2R2, -SR\ -S(0)2NR1R2, -SOR1, or -SOOR1 and mixtures thereof;

wherein R1 and R are each independently selected from the group consisting of a hydrogen, alkyl, aikenyl, alkynyl, cycloalkyl, cycloaikenyl, cycloalkynyl, aryl, heterocyclyl, and heteroaryl group;

wherein each of R1 and R2 is independently unsubstituted or substituted with one or more substituents selected from the group consisting of halogen, hydroxy, alkyl, aikenyl, alkynyl, amino, alkyiamino, dialkylamino, alkoxy, aryloxy, cycloalkyl, cycloaikenyl, cycloalkynyl, aryl, heterocyclyl, heteroaryl and mixtures thereof;

wherein the first composition does not comprise any electiOphile ingredients of Formula I:


Formula I

wherein G is C and n= 1 or G is S and n = 2;

wherein R3 is ZR4, wherein Z is selected from the group consisting of O, NEfc, NH, and N;

wherein R4 is independently selected from the group consisting of: -H, -Ci-6 alkyl groups; aryi groups; and ionizable functional groups;

wherein R5 is independently selected from the group consisting of: -H, -Ci-e aikyl groups; aryi groups; and ionizable functional groups;

wherein Re is independently selected from the group consisting of: -H, -Ci-e alkyl groups; aryi. groups; and ionizable functional groups;

wherein the ionizable functional group is independently selected from the group consisting of: -COOH, - SO3H, -PO3H2, -N(R7)2> -N(R7)3;

wherein R'' is independently selected from the group consisting of a hydrogen, alkyl, alkenyl, alkynyl, cycloalkyl, cycloalkenyi, cycloalkynyi, aryi, heterocyclyl and heteroaryl groups; and

wherein each R'' is independently unsubstituted or substituted with one or more substituents.