发明授权
- 专利标题: Hair dye composition
- 专利标题(中): 染发剂组成
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申请号: US09887473申请日: 2001-06-25
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公开(公告)号: US06616709B2公开(公告)日: 2003-09-09
- 发明人: Yukihiro Ohashi , Hajime Miyabe , Kenichi Matsunaga , Shintaro Totoki , Yoshinori Saito
- 申请人: Yukihiro Ohashi , Hajime Miyabe , Kenichi Matsunaga , Shintaro Totoki , Yoshinori Saito
- 优先权: JP2000-193175 20000627
- 主分类号: A61K713
- IPC分类号: A61K713
摘要:
Provided is a hair dye composition containing a direct dye (1). This hair dye composition has markedly high hair dyeing power, has less color fade over time and undergoes a small change in the color tone of the dye after storage. wherein, ring A may represents a benzene ring which may have a substituent or the like, B represents an aryl or heterocyclic group, D represents N or CR4 (wherein R4 represents H or alkyl), E represents NR5, CR6R7 or CR6═CR7 (wherein R5 represents alkyl or the like, and R6 and R7 each represents H or alkyl) or, O or S, R1 represents alkyl or the like, and n stands for 0 or 1, with the proviso that at n=0, R2 and R5 form, when taken together with N—C—C, a heterocycle, or R2 is bonded to B, thereby forming a heterocycle and at n=1, R2 and R3 form, when taken together with C═D—N, a heterocycle, and X− represents an anion.
公开/授权文献
- US20020088063A1 Hair dye composition 公开/授权日:2002-07-11
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