Diaminobenzene derivative compounds and dye compositions contain

Bleaching and dyeing; fluid treatment and chemical modification – Dyeing involving animal-derived natural fiber material ,... – Hair dyeing

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8407, 8410, 8411, 8412, 8416, 8423, 8574, 8575, 8577, 540 1, 548561, 548577, 549 74, 549491, 549505, A61K 713, C07D20730, C07D30734, C07D33302, C07D34500

Patent

active

061324752

ABSTRACT:
New p-diaminobenzene derivative compounds of the formula (I): ##STR1## and physiologically compatible water soluble salts thereof are described, wherein X represents oxygen, sulfur, selenium or N-R9. Compositions for dyeing keratin fibers including a combination of coupler and developer substance are described, in which the developer substance includes at least one of the new p-diaminobenzene derivative compounds.

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patent: 4149848 (1979-04-01), Bugaut et al.
patent: 4680413 (1987-07-01), Genda et al.
patent: 5019130 (1991-05-01), Flood
patent: 5851237 (1998-12-01), Anderson et al.
patent: 5876464 (1999-03-01), Lim et al.
patent: 5993491 (1999-11-01), Lim et al.

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