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Document Type and Number:
Japanese Patent JPH0132834
Kind Code:
B2
Abstract:
A process for preparing diacetone-ketogulonic acid comprises oxidizing diacetonesorbose to diacetone-ketogulonic acid to an extent of about 30-95% by electrochemical oxidation or O2 oxidation; electrodialysing the resultant reaction solution to separate the pure diacetoneketogulonic acid from the unoxidized diacetonesorbose; and recycling the unoxidized diacetone-sorbose to the oxidation step.

Inventors:
FURITSUTSU RAIFU
UIRII UINTERUMAIYAA
RORUFU UITSUTOMAN
YURUGEN BUTSUKE
PEETAA MYUURAA
Application Number:
JP7943381A
Publication Date:
July 10, 1989
Filing Date:
May 27, 1981
Export Citation:
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Assignee:
MERCK PATENT GMBH
International Classes:
B01D61/44; B01D61/48; B01D61/54; B01D61/58; C07D307/62; C07D407/04; C07D493/14; C07H9/04; C25B3/23



 
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