Bleaching and dyeing; fluid treatment and chemical modification – Dyeing involving animal-derived natural fiber material ,... – Hair dyeing
Patent
1988-07-12
1989-10-03
Lieberman, Paul
Bleaching and dyeing; fluid treatment and chemical modification
Dyeing involving animal-derived natural fiber material ,...
Hair dyeing
8416, 8421, 560 45, 562452, 564443, F16B 2300, F16B 3506
Patent
active
048713724
ABSTRACT:
A dye composition for keratinous fibers comprising a specific type of trifluoromethylated aniline derivative, as a developer, and a coupling substance is disclosed. The composition provides high degree of saturation and vividness of colors as well as good fastness. Dyeing with the use of the dye composition ensures a variety of developer-coupling agent combinations, which can provide a wide variety of colors with a high degree of color saturation and vividness. The color produced possesses excellent light resistance, washing resistance, and wear resistance. Among the trifluoromethylated aniline derivative, used as a developer, a p-phenylenediamine-type trifluoromethylated aniline derivative of the following formula is a novel compound. ##STR1## in which X represents a specific type of mono- or polyhydroxyalkyl group, alkyl group, or other organic group.
REFERENCES:
patent: 4168153 (1979-09-01), Pilgram et al.
patent: 4218373 (1980-08-01), Wolfrum et al.
Chemical Abstracts, vol. 78, No. 124,183s (1973).
Search Report for European Patent Application 88 111363.3.
Kawase Jiro
Mano Tsutomu
Misu Daisuke
Obayashi Michio
Kao Corporation
Lieberman Paul
McNally John F.
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