发明授权
- 专利标题: Nanoparticulate core shell systems and the use thereof in pharmaceutical and cosmetic preparation
- 专利标题(中): 纳米颗粒核壳体系及其在制药和化妆品制备中的应用
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申请号: US09857480申请日: 1999-12-07
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公开(公告)号: US07687071B1公开(公告)日: 2010-03-30
- 发明人: Robert Heger , Helmut Auweter , Jörg Breitenbach , Heribert Bohn
- 申请人: Robert Heger , Helmut Auweter , Jörg Breitenbach , Heribert Bohn
- 申请人地址: DE Ludwigshafen
- 专利权人: BASF Aktiengesellschaft
- 当前专利权人: BASF Aktiengesellschaft
- 当前专利权人地址: DE Ludwigshafen
- 代理机构: Novak Druce + Quigg LLP
- 优先权: DE19856432 19981208
- 国际申请: PCT/EP99/09545 WO 19991207
- 国际公布: WO00/33820 WO 20000615
- 主分类号: A61K9/14
- IPC分类号: A61K9/14
摘要:
Nanoparticulate preparations of pharmaceutical and cosmetic active substances with a core-shell structure, whereby the active substance is present in an X-ray amorphous form, together with a polymer matrix and the shell consists of a stabilizing sheathing matrix.
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