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Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Willy Richard Obyn0
Catherine Gwenaëlle Michelle Peuzet0
Ignace André Debonne0
Jean-Claude Marie-Pierre Ghislain De Troostembergh0
Date of Patent
August 15, 2006
0Patent Application Number
104869690
Date Filed
August 2, 2002
0Patent Primary Examiner
Patent abstract
The present invention discloses a process for producing sodium 2-keto-L-gulonate from sorbitol and recovering 2-keto-L-gulonic acid in high recovery yields, by controlled cation exchange treatment of the micro-organism free fermentation broth and/or adjusting PII of said purified fermentation broth, followed by direct crystallisation of 2-keto-L-gulonic acid monohydrate.
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