发明授权
- 专利标题: Dyeing human hair with hydroxyalkyl nitroaniline dyes
- 专利标题(中): 用羟基甲基硝基染料染色人体毛发
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申请号: US3642423D申请日: 1966-03-21
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公开(公告)号: US3642423A公开(公告)日: 1972-02-15
- 发明人: BIL MILOS S , BRUNNER WALTER H
- 申请人: CLAIROL INC
- 专利权人: Clairol Inc
- 当前专利权人: Clairol Inc
- 优先权: US53568766 1966-03-21
- 主分类号: A61K8/41
- IPC分类号: A61K8/41 ; A61Q5/10 ; C09B51/00 ; A61K7/12
摘要:
An aqueous dyeing composition particularly suitable for dyeing hair having incorporated therein a tinctorially effective amount of hydroxyalkyl nitroaniline dye of the formula: WHEREIN R is hydrogen, lower alkyl or hydroxyalkyl and R'' is hydroxyalkyl.
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