Hair dyeing with N-(4-aminophenyl) prolineamide, couplers, and o

Details Hair dyeing with N-(4-aminophenyl) prolineamide, couplers, and o Hair dyeing with N-(4-aminophenyl) prolineamide, couplers, and o

1998-02-17

1999-03-02

Liott, Caroline D.

Bleaching and dyeing; fluid treatment and chemical modification

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

Hair dyeing

8408, 8423, 8574, A61K 713

Patent

active

058764640

ABSTRACT:
N-(4-Aminophenol) prolineamide and cosmetically acceptable salts thereof are useful as primary intermediates in oxidative hair dyeing. Compositions which contain a hair dye produced by oxidatively coupling N-(4-aminophenol) prolineamide with a coupler in the presence of an oxidizing agent are applied to the hair in oxidative hair dyeing processes.

REFERENCES:
patent: 3164597 (1965-01-01), Leonard
patent: 3250771 (1966-05-01), Leonard et al.
patent: 5019130 (1991-05-01), Flood
patent: 5278034 (1994-01-01), Ohki et al.
patent: 5328812 (1994-07-01), Haijima et al.
patent: 5380625 (1995-01-01), Mihayashi et al.

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