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公开(公告)号:US20090047209A1
公开(公告)日:2009-02-19
申请号:US11980720
申请日:2007-10-31
IPC分类号: A61K31/4422 , A61K51/00 , A61P9/00
CPC分类号: A61K9/0056 , A61K9/0007 , A61K9/145 , A61K9/146 , A61K9/1617 , A61K9/1623 , A61K9/1652 , A61K9/2018 , A61K9/2054 , A61K9/2059 , A61K9/2077 , A61K9/2081 , A61K9/2846 , A61K9/4808 , A61K9/5161 , A61K9/5192
摘要: The present invention is directed to nanoparticulate compositions comprising nifedipine. The nifedipine particles of the composition have an effective average particle size of less than about 2 microns.