Hair dye preparations containing substantive nitrodiphenylamine

Details Hair dye preparations containing substantive nitrodiphenylamine Hair dye preparations containing substantive nitrodiphenylamine

1988-02-26

1989-05-23

Lieberman, Paul

Bleaching and dyeing; fluid treatment and chemical modification

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

Hair dyeing

8407, 8414, 260505, 260509, 260510, 562433, 562434, 562435, 564433, 564434, A61K 713, C07C 8754

Patent

active

048326976

ABSTRACT:
This invention encompasses compounds of the formula: ##STR1## wherein: one of R.sup.1 or R.sup.2 is nitro and the other is --SO.sub.3 H or COOH; and

REFERENCES:
patent: 2611785 (1952-09-01), Gunther
patent: 4029815 (1977-06-01), Sherlock et al.
patent: 4257977 (1981-03-01), Yelland

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