发明授权
US5585091A Use of benzazoles UV absorbers, new benzazoles and a process for their
preparation
失效
使用苯并唑紫外线吸收剂,新的苯并唑及其制备方法
- 专利标题: Use of benzazoles UV absorbers, new benzazoles and a process for their preparation
- 专利标题(中): 使用苯并唑紫外线吸收剂,新的苯并唑及其制备方法
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申请号: US391853申请日: 1995-02-22
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公开(公告)号: US5585091A公开(公告)日: 1996-12-17
- 发明人: Ralf Pelzer , Roland Langner , Horst Surburg , Horst Sommer , Alfred Krempel , Rudolf Hopp
- 申请人: Ralf Pelzer , Roland Langner , Horst Surburg , Horst Sommer , Alfred Krempel , Rudolf Hopp
- 申请人地址: DEX Holzminden
- 专利权人: Haarmann & Reimer GmbH
- 当前专利权人: Haarmann & Reimer GmbH
- 当前专利权人地址: DEX Holzminden
- 优先权: DEX4406024.6 19940224; DEX4409689.5 19940322
- 主分类号: A61K8/00
- IPC分类号: A61K8/00 ; A61K8/46 ; A61K8/49 ; A61Q1/04 ; A61Q5/02 ; A61Q17/04 ; C07D235/18 ; C07D235/20 ; C07D263/56 ; C07D487/04 ; C09K3/00 ; A61K7/44 ; A61K31/415 ; A61K31/42 ; A61K31/425
摘要:
Compounds which, per molecule, contain at least 2 benzazolyl groups are outstandingly suitable as UV absorbers for sunscreen compositions.
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