(P-amino-hydroxyphenyl)-acrylamide derivatives and dyes...

Details (P-amino-hydroxyphenyl)-acrylamide derivatives and dyes... (P-amino-hydroxyphenyl)-acrylamide derivatives and dyes...

2006-07-04

2006-07-04

Einsmann, Margaret (Department: 1751)

Bleaching and dyeing; fluid treatment and chemical modification

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

Hair dyeing

C008S406000, C008S410000, C008S421000, C008S423000, C564S305000

Reexamination Certificate

active

07070626

ABSTRACT:
The object of the invention are (p-aminohydroxyphenyl)acrylamide derivatives of general formula (I) or the physiologically tolerated, water-soluble salts thereofand oxidative coloring agents for keratin fibers, containing these compounds.

REFERENCES:
patent: 5643925 (1997-07-01), Naruto et al.
patent: 5780483 (1998-07-01), Widdowson et al.
patent: 196 07 751 (1997-09-01), None
Jaynes et al. Bioorganic & Medicinal Chemistry Letters (1993), 3(8), 1531-6.
Organic Synthesis, Chapter 3, “Protection for Phenols”, pp. 142-175, Wiley Intersciences, 1991.

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