Hair dye composition

Details Hair dye composition Hair dye composition

2006-04-18

2006-04-18

Elhilo, Eisa (Department: 1751)

Bleaching and dyeing; fluid treatment and chemical modification

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

Hair dyeing

C008S407000, C008S409000, C008S570000, C008S688000, C008S689000, C008S691000, C008S692000, C548S559000

Reexamination Certificate

active

07029501

ABSTRACT:
Provided is a hair dye composition containing a dissociative direct dye represented by the following formula (1):wherein, R1to R4each represents H or substituent, X represents OH or —NHSO2R5(R5representing an alkyl, aryl or heterocyclic group) and A represents a group of any one of formulas (Cp-1) through (Cp-12).The hair dye composition of the present invention is capable of strongly dyeing the hair with a vivid color tone without causing decomposition of the dye during the dyeing process, exhibits excellent resistance against sunlight, hair washing, perspiration, friction and heat, has a high stability against an alkali agent and an oxidizing agent, has a high dyeing property, and shows less color fade over time.

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Patent Abstracts of Japan, JP 06-080900, Mar. 22, 1994.
E. Schröder, et al., Georg Thieme Verglag, Stuttgart, table 6, pp. 24-39, XP-002266407, “Arzeimitte L Chemie I”, 1976.

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