METHOD FOR PRODUCING ALPHA-HYDROXYCARBOXYLIC ACID ESTERS
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United States of America Patent
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Issued Date -
May 15, 2014
app pub date -
Jul 3, 2012
filing date -
Aug 19, 2011
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Abandoned
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Abstract
The present invention relates to a continuous process for preparing alpha-hydroxycarboxylic esters by reacting at least one alpha-hydroxycarboxamide present in the liquid phase with an alcohol in the presence of a catalyst, which is characterized in that the resulting alpha-hydroxycarboxylic ester is at least partly separated from the reaction mixture via the gas phase.
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