发明申请
US20100204296A1 Novel Polymorphs of Darifenacin Free Base and its Hydrobromide Salt
审中-公开
达芬那肽游离碱及其氢溴酸盐的新型多态性
- 专利标题： Novel Polymorphs of Darifenacin Free Base and its Hydrobromide Salt
- 专利标题（中）： 达芬那肽游离碱及其氢溴酸盐的新型多态性
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申请号： US12663558申请日： 2008-06-09
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公开(公告)号： US20100204296A1公开(公告)日： 2010-08-12
- 发明人: Eswara Rao Kodali , Sreekanth Medikonduri , Praveen Kumar Neela , Nitin Sharadchandra Pradhan , Jon Valgeirsson
- 申请人： Eswara Rao Kodali , Sreekanth Medikonduri , Praveen Kumar Neela , Nitin Sharadchandra Pradhan , Jon Valgeirsson
- 申请人地址： IS Hafnarfjordur
- 专利权人： ACTAVIS GROUP PTC EHF
- 当前专利权人： ACTAVIS GROUP PTC EHF
- 当前专利权人地址： IS Hafnarfjordur
- 优先权： IN1186/CHE/2007 20070608; IN1512/CHE/2007 20070713
- 国际申请： PCT/IB08/02571 WO 20080609
- 主分类号： A61K31/4025
- IPC分类号： A61K31/4025 ; C07D405/02
摘要：
The present invention provides a novel and stable amorphous form of darifenacin free base, process for preparation, pharmaceutical compositions, and method of treating thereof. The present invention further provides a novel and stable polymorphic form of darifenacin hydrobromide, process for preparation, pharmaceutical compositions, and method of treating thereof.
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