Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
September 16, 2008
Patent Application Number
10621399
Date Filed
July 18, 2003
Patent Primary Examiner
Patent abstract
The present invention is to provide a method by which, in carrying out a liquid-phase oxidation reaction using a catalyst comprising a tungsten species as an essential component, the catalytic activity performance can be improved or maintained and by which the catalyst component tungsten species can be prevented from being leached into liquid reaction mixtures to thereby control decrease in catalytic activity and make it possible to reuse the catalyst.
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