Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Seiji Morii0
Haruyo Sato0
Toshihiro Fujino0
Date of Patent
April 15, 2008
Patent Application Number
10542498
Date Filed
December 22, 2003
Patent Citations Received
Patent Primary Examiner
Patent abstract
When a salt of an amine and an optically active diacyltartaric acid, or a diastereomer salt of an optically active amine and an optically active diacyltartaric acid, obtained by optically resolving a racemic amine using the optically active diacyltartaric acid, is salt-exchanged with an acid aqueous solution, the optically active diacyltartaric acid is added in the acid aqueous solution beforehand.
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