Process for producing sorbic acid or its derivatives
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United States of America Patent
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Oct 20, 1981
Grant Date -
N/A
app pub date -
Jul 27, 1979
filing date -
Aug 3, 1978
priority date (Note) -
Expired
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Abstract
A process for producing sorbic acid and its derivatives, which comprises reacting crotonaldehyde with ketene in the presence of a catalyst and decomposing or hydrolyzing the resulting adduct, said catalyst comprising a zinc salt of an aliphatic carboxylic acid and a phosphine or a pyridine.
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