Cationic aminodianthraquinones, use, dyeing compositions...

Details Cationic aminodianthraquinones, use, dyeing compositions... Cationic aminodianthraquinones, use, dyeing compositions...

2006-01-17

2006-01-17

Einsmann, Margaret (Department: 1751)

Bleaching and dyeing; fluid treatment and chemical modification

Dyeing involving animal-derived natural fiber material ,...

Hair dyeing

C008S405000, C008S428000, C008S654000, C552S255000, C548S335100

Reexamination Certificate

active

06986795

ABSTRACT:
The invention relates to cationic aminodianthraquinones containing at least one cationic group Z, Z being chosen from quaternized aliphatic chains, aliphatic chains containing at least one quaternized saturated ring and aliphatic chains containing at least one quaternized unsaturated ring, their use as direct dye in compositions for dyeing keratinous materials, in particular human keratinous fibers such as hair, the dyeing compositions containing them, as well as the dyeing methods using them.

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English language abstract of EP 0 852 136, Jul. 1998.
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