Synthesis of quaternary melanin compounds and their use as...

Details Synthesis of quaternary melanin compounds and their use as... Synthesis of quaternary melanin compounds and their use as...

C - Chemistry, Metallurgy

09

B

C09B 61/00 (2006.01) A61K 8/49 (2006.01) A61K 8/72 (2006.01) A61Q 5/10 (2006.01) C07D 209/42 (2006.01)

Patent

CA 2239191

The specification describes water-soluble, cationic products useful as hair colorants or for skin care obtained by oxidative polymerization of a 5,6- dihydroxyindole-2-quaternary amides or esters, as well as compositions containing the same, methods of using the same in compositions to color hair or treat skin and intermediates for producing the products.

L'invention concerne des produits hydrosolubles cationiques utilisables sous forme de colorants capillaires ou pour les soins de la peau. Ils sont obtenus par polymérisation oxydative d'esters ou d'amides quaternaires 5,6-dihydroxyindole-2. On décrit par ailleurs des compositions à base de ces produits ainsi que des procédés relatifs à l'utilisation desdits produits dans des compositions de soins capillaires (colorants) ou de soins de la peau, et des substances intermédiaires qui entrent dans l'élaboration des produits considérés.

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