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US 8,118,881 B2Granted
Hair dye and hair dye composition
AssigneeHodogaya Chemical Co., Ltd.
InventorsMasahiko Yamaguchi, Shiro Irisa, Eiji Takahashi, Katsumasa Kikkawa
Life of this patent
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Abstract
A hair dye containing a compound represented by the following general formula (I): wherein R1 and R2 each independently represent a hydrogen atom or a straight chain or branched alkyl group having 1 to 5 carbon atoms, and An− represents an inorganic anion, an organic anion, or a complex salt anion, respectively.
Claims14
A hair dye comprising a compound represented by the following general formula (I):
- wherein R1 and R2 each independently represent a hydrogen atom or a straight chain or branched alkyl group having 1 to 5 carbon atoms, and An represents an inorganic anion, an organic anion, or a complex salt anion, respectively.
A compound represented by the following general formula (Ia):
- wherein An− represents an inorganic anion, an organic anion, or a complex salt anion.
Dependencies are inferred from the claim text.