Dye compositions containing 5,6-dihydroxy indoles and a foam gen

Details Dye compositions containing 5,6-dihydroxy indoles and a foam gen Dye compositions containing 5,6-dihydroxy indoles and a foam gen

1990-01-05

1996-02-20

Therkorn, Linda Skaling

Bleaching and dyeing; fluid treatment and chemical modification

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

Hair dyeing

8406, 8409, 424 47, A61K 713

Patent

active

054925410

ABSTRACT:
A process for preparing dye compositions which comprises hydrolyzing an O-protected 5,6-dihydroxyindole with an alkaline material under substantially anaerobic condition and the products made by such process.

REFERENCES:
patent: 4013404 (1977-03-01), Parent et al.
patent: 4208183 (1980-06-01), Grollier et al.
patent: 4529404 (1985-07-01), Feinland et al.
patent: 4746322 (1988-05-01), Herlihy
patent: 4776857 (1988-10-01), Carroll et al.
patent: 4804385 (1989-02-01), Grollier et al.
patent: 4808190 (1989-02-01), Grollier et al.
patent: 4885006 (1989-12-01), Grollier et al.
patent: 4888027 (1989-12-01), Grollier et al.
patent: 4900326 (1990-02-01), Grollier

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