Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Shuji Itatani0
Takuya Ichida0
Ta-Wei Fu0
Steven H. Swearingen0
Date of Patent
October 24, 2006
0Patent Application Number
110884650
Date Filed
March 24, 2005
0Patent Primary Examiner
Patent abstract
A fluorocarboxylic acid preparation process continuously carries out acidification reaction treatment and washing treatment, and includes subjecting a fluorocarboxylate-containing aqueous solution to acidification reaction treatment in the presence of sulfuric acid so as to form a sulfate-containing fluorocarboxylic acid phase; and subjecting the fluorocarboxylic acid phase to washing treatment using an aqueous sulfuric acid solution.
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