Dye composition for keratinic fibres containing sulfured metaphe

Details Dye composition for keratinic fibres containing sulfured metaphe Dye composition for keratinic fibres containing sulfured metaphe

1995-06-01

1996-07-09

Lieberman, Paul

Bleaching and dyeing; fluid treatment and chemical modification

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

Hair dyeing

8406, 8407, 8408, 8416, A61K 713

Patent

active

055340377

ABSTRACT:
The invention relates to a dye composition for keratinic fibers comprising an oxidation colorant precursor of the type ortho and/or para and a sulfured metaphenylenediamine having formula (I) ##STR1## wherein Z is alkyl, aralkyl, monohydroxyalkyl or polyhydroxyalkyl, aryl or aminoalkyl, as well as the acid salts thereof, with the condition that R.sub.1 and R.sub.2 do not represent simultaneously hydrogen when Z is alkyl or hydroxyalkyl, as well as the acid salts corresponding to the compounds of formula (I).

REFERENCES:
patent: 1940757 (1933-12-01), Lehmann et al.
patent: 3705870 (1972-12-01), Darmory et al.

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