Invention Grant
US06179881B2 Compositions and processes for dyeing keratin fibers with azo compounds
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用偶氮化合物染色角蛋白纤维的组合物和方法
- Patent Title: Compositions and processes for dyeing keratin fibers with azo compounds
- Patent Title (中): 用偶氮化合物染色角蛋白纤维的组合物和方法
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Application No.: US09197462Application Date: 1998-11-23
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Publication No.: US06179881B2Publication Date: 2001-01-30
- Inventor: Jean-Christophe Henrion , Michel Philippe
- Applicant: Jean-Christophe Henrion , Michel Philippe
- Priority: FR9714658 19971121
- Main IPC: A61K713
- IPC: A61K713
Abstract:
Azo compounds of the 2-(4-amino)phenyldiazinecarboximidamide type and 2-(4-amino)phenylhydrazinecarboximidamide type, a process for their synthesis, their use for dyeing keratin fibers, dye compositions containing them, and dyeing processes.
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