发明申请
US20060156488A1 Symmetrical diazo compounds containing 2-pyridinium groups and a cationic or non-cationic linker, compositions comprising them, method of coloring, and device
失效
包含2-吡啶鎓基团的对称重氮化合物和阳离子或非阳离子接头，包含它们的组合物，着色方法和装置
- 专利标题： Symmetrical diazo compounds containing 2-pyridinium groups and a cationic or non-cationic linker, compositions comprising them, method of coloring, and device
- 专利标题（中）： 包含2-吡啶鎓基团的对称重氮化合物和阳离子或非阳离子接头，包含它们的组合物，着色方法和装置
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申请号： US11300271申请日： 2005-12-15
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公开(公告)号： US20060156488A1公开(公告)日： 2006-07-20
- 发明人: Herve David , Andrew Greaves , Nicolas Daubresse
- 申请人： Herve David , Andrew Greaves , Nicolas Daubresse
- 优先权： FR0452999 20041215
- 主分类号： A61K8/49
- IPC分类号： A61K8/49 ; C07D403/14 ; C07D401/02
摘要：
The present disclosure relates to symmetrical cationic diazo compounds of formula (I), the resonance forms, and also the acid addition salts and/or the solvates thereof: The present disclosure further relates to dyeing compositions comprising such compounds as a direct dye in a medium appropriate for the dyeing of keratin fibers, and also to a method of coloring keratin fibers that employs this composition, and a multi-compartment kit containing such compositions.
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