发明授权
- 专利标题: Use of benzimidazole derivatives as light protection filters
- 专利标题(中): 苯并咪唑衍生物作为防光过滤器
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申请号: US133071申请日: 1993-10-13
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公开(公告)号: US5501850A公开(公告)日: 1996-03-26
- 发明人: Ingeborg Stein , Ulrich Heywang , Alexander Putz , Roland Martin
- 申请人: Ingeborg Stein , Ulrich Heywang , Alexander Putz , Roland Martin
- 申请人地址: DEX Darmstadt
- 专利权人: Merck Patent Gesellschaft mit beschrankter Haftung
- 当前专利权人: Merck Patent Gesellschaft mit beschrankter Haftung
- 当前专利权人地址: DEX Darmstadt
- 优先权: DEX4204257.7 19920213
- 主分类号: A61K8/49
- IPC分类号: A61K8/49 ; A61K8/00 ; A61K8/92 ; A61K31/415 ; A61Q17/04 ; A61Q19/00 ; A61Q19/02 ; C07D235/18 ; C07D235/20 ; A61K7/42
摘要:
The invention relates to the use of benzimidazole derivatives of the formula I, ##STR1## where R.sup.1, R.sup.2, R.sup.3, R.sup.4 and Ar have the meaning given in claim 1, as light protection filters in cosmetic formulations, at least one of the radicals R.sup.1 to R.sup.4 or an alkyl or alkoxy substituent of the group Ar containing at least 4 C atoms.
公开/授权文献
- US4906439A Biological diagnostic device and method of use 公开/授权日:1990-03-06
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