C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 233/54 (2006.01) C07D 521/00 (2006.01)
Patent
CA 2322992
The invention concerns novel di-benzene compounds comprising at least one cationic group Z, Z being selected among quaternized aliphatic chains, aliphatic chains comprising at least a quaternized saturated cycle, and aliphatic chains comprising at least a quaternized unsaturated cycle, their use as coupling agents in oxidation dyeing of keratinous fibres, dyeing compositions containing same and oxidation dyeing methods using same.
L'invention a pour objet de nouveaux composés di-benzéniques comportant au moins un groupement cationique Z, Z étant choisi parmi des chaînes aliphatiques quaternisées, des chaînes aliphatiques comportant au moins un cycle saturé quaternisé, et des chaînes aliphatiques comportant au moins un cycle insaturé quaternisé, leur utilisation à titre de coupleurs pour la teinture d'oxydation des fibres kératiniques, les compositions tinctoriales les contenant, ainsi que les procédés de teinture d'oxydation les mettant en oeuvre.
Genet Alain
Lagrange Alain
L'oreal
Robic
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