Use of nitrated cationic dibenzene compounds in dyeing...

C - Chemistry – Metallurgy – 07 – D

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C07D 233/61 (2006.01) C09B 51/00 (2006.01) D06P 3/04 (2006.01)

Patent

CA 2294879

L'invention a pour objet l'utilisation de composés nitrés 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, à titre de colorants directs dans des compositions destinées à la teinture des matières kératiniques et en particulier des compositions destinées à la teinture des fibres kératiniques humaines et notamment des cheveux, les compositions de teinture les contenant et le procédé de teinture directe les mettant en oeuvre.

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