发明申请
- 专利标题: Novel compositions of sildenafil free base
- 专利标题(中): 西地那非游离碱的新组合物
-
申请号: US10895405申请日: 2004-07-21
-
公开(公告)号: US20050042177A1公开(公告)日: 2005-02-24
- 发明人: Tuula Ryde , Douglas Hovey , H. Bosch
- 申请人: Tuula Ryde , Douglas Hovey , H. Bosch
- 专利权人: Elan Pharma International Ltd.
- 当前专利权人: Elan Pharma International Ltd.
- 主分类号: A61K9/00
- IPC分类号: A61K9/00 ; A61K9/14 ; A61K9/19 ; A61K9/20 ; A61K31/496 ; A61L9/04
摘要:
The present invention is directed to nanoparticulate compositions comprising sildenafil free base. The sildenafil free base particles of the composition have an effective average particle size of less than about 2000 nm.
信息查询