Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Sang Min Yun0
Eun Sook Kim0
Gwan Sun Lee0
Kwee Hyun Suh0
Date of Patent
November 3, 2009
0Patent Application Number
122939590
Date Filed
March 16, 2007
0Patent Primary Examiner
Patent abstract
The present invention relates to a method for preparing clopidogrel 1,5-naphthalenedisulfonate or a hydrate thereof, which comprises reacting a clopidogrel-acid addition salt with disodium 1,5-naphthalenedisulfonate or its hydrate in water, or a mixture of water and an organic solvent. High quality clopidogrel 1,5-naphthalenedisulfonate can be prepared by the inventive method by way of using non-corrosive disodium 1,5-naphthalenedisulfonate.
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