A - Human Necessities – 61 – K
Patent
A - Human Necessities
61
K
A61K 8/49 (2006.01) A45D 19/00 (2006.01) A61K 8/41 (2006.01) A61Q 5/10 (2006.01)
Patent
CA 2249468
A composition for dyeing keratin fibres, particularly human hair, consisting of a medium suitable for use in dyeing and containing, as the coupler, at least one compound of formula (I), wherein R¿1? is particularly hydrogen, alkyl, aryl, a heterocyclic ring, halogen, etc., R¿2? is particularly hydrogen, halogen, aryloxy, alkoxy, acyloxy, arylthio, alkylthio, heteroarylthio, heteroaryloxy, etc., and each of Z¿a?, Z¿b? and Z¿c?, which are the same or different, is a nitrogen atom or a carbon with a radical R¿3? or R¿4? having the same meaning as R¿1?, where at least one of Z¿a?, Z¿b? and Z¿c? is a nitrogen atom and R¿3? and R¿4? may together form an optionally substituted aromatic ring, as well as at least one oxidation base, is disclosed.
La présente invention concerne une composition pour la teinture de fibres kératiniques, en particulier des cheveux humains, contenant dans un milieu approprié pour la teinture: à titre de coupleur au moins un composé de formule (I), où: R1 désigne notamment hydrogène, alkyle, aryle, un hétérocycle, un halogène, ... R2 désigne notamment hydrogène, halogène, aryloxy, alcoxy, acyloxy, arylthio, alkylthio, hétéroarylthio, hétéroaryloxy, ... Za, Zb et Zc, indépendamment, désignent un atome d'azote ou un carbone porteur d'un radical R3 ou R4 de significations identiques à celles de R1; l'un au moins des Za, Zb et Zc désigne un atome d'azote; R3 et R4 pouvant former entre eux un cycle aromatique, substitué ou non; au moins une base d'oxydation.
Malle Gerard
Monteil Eric
Vidal Laurent
L'oreal
Robic
LandOfFree
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