Bleaching and dyeing; fluid treatment and chemical modification – Dyeing involving animal-derived natural fiber material ,... – Hair dyeing
Patent
1988-03-23
1989-06-27
Lieberman, Paul
Bleaching and dyeing; fluid treatment and chemical modification
Dyeing involving animal-derived natural fiber material ,...
Hair dyeing
8406, 8408, 8410, 8416, 564305, 564443, A61K 713, C07C 8750
Patent
active
048426121
ABSTRACT:
N-4-aminophenyl-N'-2,4-diaminophenyl alkylenediamines corresponding to the formula ##STR1## and water-soluble salts thereof. The above compounds are suitable as developers in oxidation hair dyes. Such hair dyes contain compounds corresponding to formula (I) or salts thereof as developer component in addition to conventional developer and conventional coupler components and, optionally, conventional substantive hair dyes in a cosmetic carrier. In conjunction with phenols, naphthols, resorcinols and 1,3-bis-(2,4-diaminophenyl)-alkanes or 1,3-bis-(2,4-diaminophenoxy)-alkanes as couplers, the new developers give particularly intensive colors with good light fastness properties.
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Lieske Edgar
Maak Norbert
Rose David
Henkel Kommanditgesellschaft auf Aktien
Jaeschke Wayne C.
Kirschner Helene
Lieberman Paul
Szoke Ernest G.
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