Agents for coloring keratin fibers

Details Agents for coloring keratin fibers Agents for coloring keratin fibers

2009-02-26

2010-02-09

Elhilo, Eisa B (Department: 1796)

Bleaching and dyeing; fluid treatment and chemical modification

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

Hair dyeing

C008S407000, C008S435000, C008S455000, C008S466000, C008S568000, C008S570000, C008S571000, C008S572000, C008S573000, C008S575000, C008S576000, C534S606000

Reexamination Certificate

active

07658770

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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Xie, Kongliang et al., “Synthesis of Reactive-Cation Dyes with Pyridinium Acetamide,” XP002388786, Retrieved from STN Database Accession No. 1992:552674 (Abstract).

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