发明授权
- 专利标题： Hair dye protective agent
- 专利标题（中）： 头发防护剂
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申请号： US3683004D申请日： 1970-06-18
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公开(公告)号： US3683004A公开(公告)日： 1972-08-08
- 发明人: AKRONGOLD HAROLD S , AKRONGOLD ROCHELLE , GOLDSMITH MICHAEL
- 申请人： HAROLD S AKRONGOLD , ROCHELLE AKRONGOLD , MICHAEL GOLDSMITH
- 专利权人： Harold S Akrongold,Rochelle Akrongold,Michael Goldsmith
- 当前专利权人： Harold S Akrongold,Rochelle Akrongold,Michael Goldsmith
- 优先权： US4760570 1970-06-18
- 主分类号： A61K8/35
- IPC分类号： A61K8/35 ; A61K8/42 ; A61Q5/06 ; A61Q17/04 ; C07C121/32 ; C07C121/52
摘要：
A protective agent for hair dyes to prevent fading of the dye because of the action of sunlight or other factors. This agent is a reaction product of either acrylonitrile or a mixture of acrylonitrile-benzophenone and an oxy-substituted benzophenone with phenacetin. The proportion of the two reactants may vary from about 3:1 to about 200:1 parts by weight of the acrylonitrile or acrylonitrile-benzophenone mixture relative to the phenacetin.
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