发明授权
- 专利标题: Method for producing solvent-free noncrystalline biologically active substances
- 专利标题(中): 生产无溶剂非晶生物活性物质的方法
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申请号: US09554215申请日: 2000-05-11
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公开(公告)号: US06547997B1公开(公告)日: 2003-04-15
- 发明人: Jörg Breitenbach , Ulrich Reinhold , Jürgen Zeidler , Jörg Rosenberg
- 申请人: Jörg Breitenbach , Ulrich Reinhold , Jürgen Zeidler , Jörg Rosenberg
- 优先权: DE19752895 19971128
- 主分类号: B29C4700
- IPC分类号: B29C4700
摘要:
Solvent-free noncrystalline bioactive substances are prepared from the corresponding crystalline bioactive substances in an extruder by melting the substances in the extruder under reduced pressure and in the absence of auxiliaries, cooling and comminuting.
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