Invention Grant
US09150590B2 Process for the synthesis of rifaximin and a new pseudo-crystalline form of rifaximin obtained thereby
有权
用于合成利福昔明的方法和由此得到的新的假结晶形式的利福昔明
- Patent Title: Process for the synthesis of rifaximin and a new pseudo-crystalline form of rifaximin obtained thereby
- Patent Title (中): 用于合成利福昔明的方法和由此得到的新的假结晶形式的利福昔明
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Application No.: US14118561Application Date: 2012-05-21
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Publication No.: US09150590B2Publication Date: 2015-10-06
- Inventor: Disma Mazzola , Silvia Moiana , Germano Coppi
- Applicant: Disma Mazzola , Silvia Moiana , Germano Coppi
- Applicant Address: IT
- Assignee: Friulchem Spa
- Current Assignee: Friulchem Spa
- Current Assignee Address: IT
- Agency: Banner & Witcoff, Ltd.
- Priority: WOPCT/EP2011/058171 20110519
- International Application: PCT/EP2012/059404 WO 20120521
- International Announcement: WO2012/156533 WO 20121122
- Main IPC: A61K31/44
- IPC: A61K31/44 ; C07D498/22
Abstract:
Process for the preparation of rifaximin, pseudo-crystalline rifaximin and a new pseudo-crystalline form of rifaximin with fewer impurities obtained thereby.
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