Dyeing method using a specific cationic derivative and a...

Details Dyeing method using a specific cationic derivative and a... Dyeing method using a specific cationic derivative and a...

A - Human Necessities

61

K

A61K 8/49 (2006.01) A61Q 5/10 (2006.01)

Patent

CA 2320925

The invention concerns the use for dyeing keratinous fibres of at least a specific cationic derivative and at least a compound selected among a specific aldehyde, a specific ketone, a quinone and a di-imino-isoindoline or 3-amino-isoindolone derivative for dyeing, by reaction without oxidising agent, said keratinous fibres. The invention also concerns compositions comprising said compounds and dyeing agents using them.

La présente invention est relative à l'utilisation, pour la teinture des fibres kératiniques, d'au moins un dérivé cationique spécifique et d'au moins un composé choisi parmi un aldéhyde spécifique, une cétone spécifique, une quinone et un dérivé de la diimino-isoindoline ou de la 3-amino-isoindolone pour obtenir, par réaction sans agent oxydant, une coloration desdites fibres kératiniques. Elle concerne aussi les compositions de teinture comprenant ces composés ainsi que des agents de teinture pour leur mise en oeuvre.

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