Dyeing compositions for keratin fibres containing meta-phenylene

Details Dyeing compositions for keratin fibres containing meta-phenylene Dyeing compositions for keratin fibres containing meta-phenylene

1980-12-11

1982-05-18

Clingman, A. Lionel

Bleaching and dyeing; fluid treatment and chemical modification

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

Hair dyeing

8406, 8409, 8416, A61K 713, C07C 9314

Patent

active

043302920

ABSTRACT:
The invention resides in the use of the compounds having the formula given below, or an acid salt thereof, as couplers in dyeing compositions for keratin fibres which contain an oxidation base: ##STR1## in which formula n is equal to 2, 3 or 4 and R.sub.1 and R.sub.2 are identical or different and represent an alkyl group having from 1 to 4 carbon atoms.

REFERENCES:
patent: 4125367 (1978-11-01), Busaut et al.
patent: 4152112 (1979-05-01), Busaut et al.
patent: 4259261 (1981-03-01), Busaut et al.

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