Andreas Hotter,Ulrich Griesser,Verena Adamer,Christoph Langes
申请号：
US13702077
公开号：
US08946441B2
申请日:
2011.06.24
申请国别(地区):
US
年份:
2015
代理人:
摘要：
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.
