Dyeing composition based on hydroxyindoline derivatives

Details Dyeing composition based on hydroxyindoline derivatives Dyeing composition based on hydroxyindoline derivatives

C - Chemistry, Metallurgy

07

D

C07D 209/08 (2006.01) A61K 8/49 (2006.01) A61Q 5/10 (2006.01) A61K 7/13 (1990.01)

Patent

CA 2118924

2118924 9305018 L'invention est relative à l'utilisation pour la teinture des matières kératiniques, en particulier les matières kératiniques humaines, d'un dérivé d'hydroxyindoline répondant à la formule (I), dans laquelle: R1 représente un hydrogène ou un alkyle en C1-C4; R2 représente un hydrogène ou un alkyle en C1-C4; OH et -OR2 occupent les positions 4, 5, 6 ou 7, sous réserve que lorsqu'ils occupent les positions 5 et 6, R2 désigne alkyle; ainsi que leurs sels d'addition d'acides.

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