C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 311/60 (2006.01) A61K 8/49 (2006.01) A61K 8/97 (2006.01) A61Q 5/10 (2006.01)
Patent
CA 2275356
The invention concerns the use of flavylium type compounds, non-substituted in position 3, and substituted by at least a hydroxyl or alcoxy radical, in particular Apigenidin, in pure form or in the form of plant extracts containing them, as colouring agent in or for making compositions for dyeing keratinous fibres, particularly human keratinous fibres such as hair. The invention also concerns the dyeing compositions containing them, particularly cosmetic compositions for direct hair dyeing, and the corresponding dyeing method. The hair dyes resulting from the use of these colouring agents are particularly stable to light and washing.
L'invention concerne l'utilisation de composés du type flavylium, non substitués en position 3, et substitués par au moins un radical hydroxyle ou alcoxy, et notamment l'Alpigénidine, sous forme pure ou sous forme d'extraits végétaux les contenant, à titre de colorants, dans des, ou pour la vérification de, compositions destinées à la teinture des fibres kératiniques, en particulier des fibres kératiniques humaines telles que les cheveux. L'invention concerne également des compositions de teinture les contenant, en particulier les compositions cosmétiques destinées à la teinture directe capillaire, ainsi que le procédé de teinture correspondant. Les teintures capillaires obtenues à l'aide de ces colorants sont particulièrement stables à la lumière et aux lavages.
Darmenton Patrick
Philippe Michel
L'oreal
Robic
LandOfFree
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