Invention Grant
- Patent Title: Polymorphs of an active pharmaceutical ingredient
- Patent Title (中): 活性药物成分的多晶型物
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Application No.: US13702077Application Date: 2011-06-24
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Publication No.: US08946441B2Publication Date: 2015-02-03
- Inventor: Andreas Hotter , Ulrich Griesser , Verena Adamer , Christoph Langes
- Applicant: Andreas Hotter , Ulrich Griesser , Verena Adamer , Christoph Langes
- Applicant Address: CH Basel
- Assignee: Sandoz AG
- Current Assignee: Sandoz AG
- Current Assignee Address: CH Basel
- Agency: Arent Fox LLP
- Priority: EP10167344 20100625
- International Application: PCT/EP2011/161245 WO 20110624
- International Announcement: WO2011/161245 WO 20111229
- Main IPC: C07D277/00
- IPC: C07D277/00 ; A61K31/425 ; C07D277/56
Abstract:
The present invention relates to crystalline form I of Febuxostat as well as to pharmaceutical compositions comprising crystalline form I as an active pharmaceutical ingredient. Furthermore the present invention relates to a further polymorphic form of Febuxostat designated as form II and to a novel solvate of Febuxostat. The present invention also relates to methods of making crystalline form I, form II and the novel solvate of Febuxostat.
Public/Granted literature
- US20130137734A1 Polymorphs of an Active Pharmaceutical Ingredient Public/Granted day:2013-05-30
Information query
