P-phenylenediamine substituted by a quaternary ammonium group an

Details P-phenylenediamine substituted by a quaternary ammonium group an P-phenylenediamine substituted by a quaternary ammonium group an

1991-11-27

1992-08-18

Lieberman, Paul

Bleaching and dyeing; fluid treatment and chemical modification

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

Hair dyeing

8406, 8407, 8408, 8410, 8414, 8416, 8423, 424 70, 564441, A61K 713

Patent

active

051395320

ABSTRACT:
P-phenylenediamines having a quaternary ammonium group and substituted with an electron withdrawing group, derivatives thereof, compositions containing same, and their use as developers for dyeing keratinous fibers, are disclosed.

REFERENCES:
patent: 4165967 (1979-08-01), Buhler et al.
patent: 4975093 (1990-12-01), Clausen et al.

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