发明申请
US20050249681A1 Use of diketopiperazine derivatives as photostable uv-filters in cosmetic and pharmaceutical preparations
审中-公开
在化妆品和药物制剂中使用二酮哌嗪衍生物作为光稳定紫外线过滤器
- 专利标题： Use of diketopiperazine derivatives as photostable uv-filters in cosmetic and pharmaceutical preparations
- 专利标题（中）： 在化妆品和药物制剂中使用二酮哌嗪衍生物作为光稳定紫外线过滤器
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申请号： US10523794申请日： 2003-07-24
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公开(公告)号： US20050249681A1公开(公告)日： 2005-11-10
- 发明人: Thomas Heidenfelder , Kristin Tiefensee , Thomas Wunsch , Robert Parker
- 申请人： Thomas Heidenfelder , Kristin Tiefensee , Thomas Wunsch , Robert Parker
- 优先权： DE102-38-144.5 20020815
- 国际申请： PCT/EP03/08109 WO 20030724
- 主分类号： A61K47/22
- IPC分类号： A61K47/22 ; A61K8/00 ; A61K8/49 ; A61Q1/00 ; A61Q1/04 ; A61Q1/06 ; A61Q17/04 ; A61K7/42 ; A61K7/06
摘要：
Use of diketopiperazine derivatives of the formula I, in which the variables have the meanings explained in the description, as photostable UV filters in cosmetic and pharmaceutical preparations for protecting the human skin or human hair against solar rays, alone or together with compounds which absorb in the UV region known per se for cosmetic and pharmaceutical preparations.
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