| 发明名称 |
Hair dyeing agents |
| 摘要 |
New coupling or shading (nuance) components are described which in combination with pertinent developers are used for dyeing of hair. These coupling components are dinitropyridine derivatives of the general formula: <IMAGE> (I) whereby the substituents X, Y, R1 and R2 have the meaning given.
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| 申请公布号 |
US4661115(A) |
申请公布日期 |
1987.04.28 |
| 申请号 |
US19860826646 |
申请日期 |
1986.02.06 |
| 申请人 |
RUETGERSWERKE AKTIENGESELLSCHAFT |
发明人 |
ORTH, WINFRED;SCHRADER, KARL-HEINZ;FICKERT, WERNER |
| 分类号 |
A61K8/00;A61K8/49;A61Q5/10;D06P1/32;(IPC1-7):A61K7/13 |
主分类号 |
A61K8/00 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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