Quaternized blue anthraqinone hair dyes in an isatin/amine dye s

Details Quaternized blue anthraqinone hair dyes in an isatin/amine dye s Quaternized blue anthraqinone hair dyes in an isatin/amine dye s

1996-07-12

1998-05-05

Lieberman, Paul

Bleaching and dyeing; fluid treatment and chemical modification

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

Hair dyeing

8405, 8407, 8409, 8423, 8606, 8657, 8675, A61K 713

Patent

active

057467790

ABSTRACT:
Quaternized blue anthraquinone compounds of Formula I ##STR1## wherein R.sub.1 and R.sub.2 are methyl and R.sub.3 is propyl, or R.sub.1 and R.sub.2 are ethyl and R.sub.3 is methyl and A.sup.- is a cosmetically acceptable anion, when employed in an isatin/amine dye system for the dyeing of hair enable the hair colorist to develop a full range of shades for the isatin/amine dye system. The compound of Formula I wherein R1 and R2 are methyl and R3 is propyl is preferred. Compositions and a method of use employing same are disclosed.

REFERENCES:
patent: 4750908 (1988-06-01), Rosenbaum et al.
patent: 4921503 (1990-05-01), Anderson et al.
patent: 5261926 (1993-11-01), Lang et al.
patent: 5279616 (1994-01-01), Lang et al.
patent: 5340366 (1994-08-01), Lang et al.
patent: 5520707 (1996-05-01), Lim et al.

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