Bleaching and dyeing; fluid treatment and chemical modification – Dyeing involving animal-derived natural fiber material ,... – Hair dyeing
Patent
1988-02-26
1990-02-13
Lieberman, Paul
Bleaching and dyeing; fluid treatment and chemical modification
Dyeing involving animal-derived natural fiber material ,...
Hair dyeing
8405, 8407, 8423, 562 61, A61K 713, C07C 8754, C07C14356
Patent
active
049003275
ABSTRACT:
This invention encompasses preparations containing hair dyes of the formula ##STR1## wherein: one of R.sup.1 or R.sup.2 is a nitro and the other is --SO.sub.3 H;
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Lieske Edgar
Maak Norbert
Rose David
Henkel Kommanditgesellschaft auf Aktien
Jaeschke Wayne C.
Lieberman Paul
Skaling Linda
Szoke Ernest G.
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