Meta-phenylenediamines, dyeing compositions in which they are pr

Details Meta-phenylenediamines, dyeing compositions in which they are pr Meta-phenylenediamines, dyeing compositions in which they are pr

1980-04-18

1982-06-08

Moyer, Donald B.

Bleaching and dyeing; fluid treatment and chemical modification

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

Hair dyeing

8406, 8408, 8409, 8410, 8414, 8416, 8421, 8423, 564347, 564353, 564354, A61K 713

Patent

active

043337309

ABSTRACT:
Novel meta-phenylenediamines are provided for use as couplers with dye bases in hair dye compositions. These meta-phenylenediamines have the formula: ##STR1## in which n is 2, 3 or 4. Their acid addition salts may also be used.

REFERENCES:
patent: 4125367 (1978-11-01), Bugant et al.
patent: 4152112 (1979-05-01), Bugant et al.

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