Coloring agents for keratin fibers

Bleaching and dyeing; fluid treatment and chemical modification – Dyeing involving animal-derived natural fiber material ,... – Hair dyeing

Reexamination Certificate

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Details

C008S407000, C008S437000, C008S463000, C008S570000, C008S571000, C008S572000, C008S573000, C008S574000, C008S575000, C008S576000, C008S587000, C534S615000

Reexamination Certificate

active

07658771

ABSTRACT:
The present invention relates to agents for coloring keratin fibers which comprise at least one cationic azodye of the general formula (I).

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International Search Report for PCT/IB2007/050428, Jul. 4, 2007 (6 pages).
Advanced Organic Chemistry—Reactions, Mechanisms and Structure (Jerry March, 5thEdition (2001), pp. 368-375.

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