Title:
CATIONIC DIAZO COMPOUNDS, COMPOSITION CONTAINING THE COMPOUNDS AS DIRECT DYES, METHOD FOR DYEING KERATIN FIBER AND APPARATUS THEREFOR
Document Type and Number:
Japanese Patent JP2006037092
Kind Code:
A
Abstract:
To provide a direct dye which can give various color differences without causing a problem in the change of color with the passage of time, and to provide a composition containing the dye and used for dyeing keratin fibers.
This cationic diazo compound prepared by binding two azo dye groups to each other through a specific link so that the two azo dye groups are not symmetrical. For example, a cationic compound represented by formula. A dye composition containing the compound as a direct dye, the composition, and a method for dyeing keratin fibers with a multi-compartment device.
Inventors:
GREAVES ANDREW
DAVID HERVE
DAVID HERVE
Application Number:
JP2005184163A
Publication Date:
February 09, 2006
Filing Date:
June 23, 2005
Export Citation:
Assignee:
OREAL
International Classes:
C09B44/12; A61K8/00; A61K8/49; A61Q5/06; A61Q5/10; C07D233/88; C07D401/12; C07D403/12; C09B44/16; D06P1/08; D06P3/04
Attorney, Agent or Firm:
Masatake Shiga
Takashi Watanabe
Yasuhiko Murayama
Shinya Mitsuhiro
Takashi Watanabe
Yasuhiko Murayama
Shinya Mitsuhiro
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