Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Koichi Sato0
Tatsuaki Yamaguchi0
Date of Patent
September 18, 2007
0Patent Application Number
112707160
Date Filed
November 9, 2005
0Patent Primary Examiner
Patent abstract
There is provided a process for producing an aromatic hydroxycarboxylic acid which is capable of suppressing the formation of by-products and enhancing the selectivity of the intended product and is free from any purifying step. The process is characterized in that it is obtained by reacting an alkali metal salt of an aromatic hydroxy compound and carbon dioxide in a non-proton polar solvent in the presence of a solid basic catalyst.
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