Invention Grant
- Patent Title: Nanoparticulate core shell systems and the use thereof in pharmaceutical and cosmetic preparation
- Patent Title (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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Application No.: US09857480Application Date: 1999-12-07
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Publication No.: US07687071B1Publication Date: 2010-03-30
- Inventor: Robert Heger , Helmut Auweter , Jörg Breitenbach , Heribert Bohn
- Applicant: Robert Heger , Helmut Auweter , Jörg Breitenbach , Heribert Bohn
- Applicant Address: DE Ludwigshafen
- Assignee: BASF Aktiengesellschaft
- Current Assignee: BASF Aktiengesellschaft
- Current Assignee Address: DE Ludwigshafen
- Agency: Novak Druce + Quigg LLP
- Priority: DE19856432 19981208
- International Application: PCT/EP99/09545 WO 19991207
- International Announcement: WO00/33820 WO 20000615
- Main IPC: A61K9/14
- IPC: A61K9/14
Abstract:
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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