Process for preparation of unsaturated ketone
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United States of America Patent
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Jun 6, 2017
Grant Date -
Jul 21, 2016
app pub date -
Aug 21, 2014
filing date -
Aug 30, 2013
priority date (Note) -
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Abstract
The present invention relates to a process for preparing unsaturated ketone by using an ion exchange polymer as a catalyst. The process comprises the steps of mixing an aldehyde with a ketone and passing the mixture of aldehyde and ketone through a fixed bed catalytic reactor comprising the ion exchange polymer at a temperature of at least 60 degree C. at atmospheric pressure for a retention period of 30-50 min. The unsaturated ketone obtained from the reaction is purified by distillation and 99.5% pure unsaturated ketone with a yield of not less than 80% is obtained.
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