Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Bryan C. Fritzler0
Joseph J. Zaher0
Scott N. Hutchison0
Date of Patent
July 17, 2007
0Patent Application Number
112283780
Date Filed
September 16, 2005
0Patent Primary Examiner
Patent abstract
A process for the manufacture of oxalic acid dihydrate in which an aqueous solution of sodium oxalate is contacted with hydrochloric acid and the resulting mixture then cooled to precipitate oxalic acid, followed by optional recovery and recycling of the sodium oxalate and hydrochloric acid into the reaction chamber.
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