Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Thomas Hunziker0
Guenter Laufer0
Rainer Naeff0
Sonja Spycher-Huber0
Date of Patent
May 27, 2008
0Patent Application Number
105147390
Date Filed
May 16, 2003
0Patent Primary Examiner
Patent abstract
Processes for isolation and purification of enantiomerically enriched compositions comprising tramadol and topiramate, and also for the subsequent isolation of 1S,2S-tramadol hydrochloride, are disclosed herein.
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