Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
You Sup Chung0
Mun Choun Ha0
Date of Patent
January 27, 2009
Patent Application Number
11680261
Date Filed
February 28, 2007
Patent Primary Examiner
Patent abstract
Provided is a process for the preparation of S-(−)-amlodipine from (R,S)-amlodipine in industrial-scale using L-(+)-tartaric acid, which is much cheaper than D-(−)-tartaric acid.
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