| 发明名称 |
Azo derivatives of pyridine n-oxide for use in hair dye compositions |
| 摘要 |
Compositions for dyeing human hair contain in an aqueous or hydroalcoholic solution an azo derivative of pyridine N-oxide as a hair dye present in amounts of 0.001-1 weight percent of said composition which has a pH ranging from 3-9.5. Certain of said azo derivatives of pyridine N-oxide are new compounds.
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| 申请公布号 |
US4153065(A) |
申请公布日期 |
1979.05.08 |
| 申请号 |
US19770806817 |
申请日期 |
1977.06.15 |
| 申请人 |
L"OREAL |
发明人 |
LANG, GERARD |
| 分类号 |
A61K8/41;A61K8/49;A61Q5/06;A61Q5/10;C09B29/00;(IPC1-7):D06P3/00;A45D7/00 |
主分类号 |
A61K8/41 |
| 代理机构 |
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代理人 |
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| 主权项 |
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