Process for dyeing keratinous fibers with 2,4-diamino-1,3-dimeth

Details Process for dyeing keratinous fibers with 2,4-diamino-1,3-dimeth Process for dyeing keratinous fibers with 2,4-diamino-1,3-dimeth

1993-01-04

1994-01-18

Lieberman, Paul

Bleaching and dyeing; fluid treatment and chemical modification

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

Hair dyeing

8405, 8408, 8409, 8410, 8411, 8412, 564443, 424 70, A61K 713

Patent

active

052796191

ABSTRACT:
Process for dyeing keratinous fibres, especially human keratinous fibres such as the hair, characterised in that a composition containing, in a medium suitable for dyeing, at least 2,4-diamino-1,3-dimethoxybenzene as a coupler;

REFERENCES:
patent: 4566876 (1986-01-01), Brown et al.
patent: 4865619 (1989-09-01), Junino et al.
patent: 4960432 (1990-10-01), Junino et al.
patent: 4979961 (1990-12-01), Junino et al.
patent: 4985955 (1991-01-01), Grollier et al.
patent: 5032137 (1991-07-01), Junino et al.
patent: 5032138 (1991-07-01), Wolfram et al.

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