发明授权
US06238649B1 Cosmetic and pharmaceutical preparations containing photostable UV filters
有权
含有光稳定紫外线过滤器的化妆品和药物制剂
- 专利标题： Cosmetic and pharmaceutical preparations containing photostable UV filters
- 专利标题（中）： 含有光稳定紫外线过滤器的化妆品和药物制剂
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申请号： US09133173申请日： 1998-08-13
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公开(公告)号： US06238649B1公开(公告)日： 2001-05-29
- 发明人: Thorsten Habeck , Sylke Haremza , Volker Schehlmann , Horst Westenfelder , Thomas Wünsch , Michael Drögemüller , Volker Bomm
- 申请人： Thorsten Habeck , Sylke Haremza , Volker Schehlmann , Horst Westenfelder , Thomas Wünsch , Michael Drögemüller , Volker Bomm
- 优先权： DE19735093 19970813; DE19746654 19971022; DE19755649 19971215
- 主分类号： A61K742
- IPC分类号： A61K742
摘要：
4,4-Diarylbutadienes of the formula I, where the variables have the meanings explained in the description, are used as photostable UV filters in cosmetic and pharmaceutical preparations to protect the human skin or human hair from the sun's rays, alone or together with compounds which absorb in the UV region and are known per se for cosmetic and pharmaceutical preparations.