Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Valerie Niddam-Hildesheim0
Eduard Schwartz0
Neomi Gershon0
Date of Patent
September 16, 2008
Patent Application Number
10305180
Date Filed
November 27, 2002
Patent Primary Examiner
Patent abstract
The invention provides a process for preparing levofloxacin hemihydrate, comprising:(A) dissolving levofloxacin in a solvent selected from the group consisting of acetonitrile, acetonitrile:H2O, dimethyl sulfoxide, dimethyl sulfoxide:H2O, methyl ethyl ketone, methyl ethyl ketone:H2O, butanol, butanol:H2O, and mixtures thereof at an elevated temperature; and(B) crystallizing levofloxacin hemihydrate.
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