Synthesis of quarternary melanin compounds and their use as hair

Details Synthesis of quarternary melanin compounds and their use as hair Synthesis of quarternary melanin compounds and their use as hair

1997-06-13

1998-10-27

Hertzog, Ardith

Bleaching and dyeing; fluid treatment and chemical modification

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

Hair dyeing

8405, 8406, 8574, 8606, 8647, 8657, 424 59, 424 63, 424 706, 548507, A61K 713, A61K 742, C07D20918

Patent

active

058273301

ABSTRACT:
Water soluble, cationic products useful as hair colorants or for the treatment of skin which are esters or amides formed by reaction of melanin and a quaternary salt containing a reactive amino or hydroxyl group, as well as compositions containing them and methods of using such products to color hair or treat skin are described.

REFERENCES:
patent: 5006331 (1991-04-01), Gaskin
patent: 5244497 (1993-09-01), Junino et al.
patent: 5273550 (1993-12-01), Prota et al.
patent: 5346509 (1994-09-01), Schultz et al.
patent: 5686084 (1997-11-01), Wenke et al.
patent: 5702712 (1997-12-01), Wenke et al.

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