- 专利标题： Crystalline form of rifaximin and process for its preparation
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申请号： US15614900申请日： 2017-06-06
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公开(公告)号： US09988398B2公开(公告)日： 2018-06-05
- 发明人: Kumar Kamlesh Singh , Nikhil Amar Singh , Prashant Rameshchandra Bhatt , Amol Kashinath Patil
- 申请人： CADILA HEALTHCARE LIMITED
- 申请人地址： IN Ahmedabad
- 专利权人： CADILA HEALTHCARE LIMITED
- 当前专利权人： CADILA HEALTHCARE LIMITED
- 当前专利权人地址： IN Ahmedabad
- 代理机构： Ladas & Parry LLP
- 优先权： IN201621019542 20160607
- 主分类号： C07D491/22
- IPC分类号： C07D491/22 ; A61K31/395 ; C07D498/22
摘要：
A novel crystalline form of rifaximin and process for its preparation are described. A pharmaceutical composition comprising crystalline rifaximin is also described.
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