发明授权
US06384284B1 Biphenyl compounds substituted by camphor or hydantoin derivatives as sunscreen compositions
有权
由樟脑或乙内酰脲衍生物取代的联苯化合物作为防晒组合物
- 专利标题： Biphenyl compounds substituted by camphor or hydantoin derivatives as sunscreen compositions
- 专利标题（中）： 由樟脑或乙内酰脲衍生物取代的联苯化合物作为防晒组合物
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申请号： US09806358申请日： 2001-03-29
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公开(公告)号： US06384284B1公开(公告)日： 2002-05-07
- 发明人: Rudolf Zink , Dieter Reinehr , Helmut Luther , Bernd Herzog
- 申请人： Rudolf Zink , Dieter Reinehr , Helmut Luther , Bernd Herzog
- 优先权： EP98810992 19981002
- 主分类号： C07C4900
- IPC分类号： C07C4900
摘要：
A description is given of diphenyl compounds of formula wherein R is a camphor or hydantoin derivative; and R1 is hydrogen; or C1-C5alkyl. These compounds are suitable as light stabilizers in cosmetic, pharmaceutical and veterinary formulations.
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