Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
December 8, 2009
Patent Application Number
10263192
Date Filed
October 3, 2002
Patent Primary Examiner
Patent abstract
The invention provides a method for preparing levofloxacin hemihydrate, comprising:maintaining levofloxacin at a first elevated temperature in a first solvent;adding a polar solvent to precipitate the levofloxacin hemihydrate, wherein the polar solvent comprises water; andrecovering the levofloxacin hemihydrate.
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