PROCESS FOR THE PRODUCTION OF METHACRYLIC ACID AND ITS DERIVATIVES AND POLYMERS PRODUCED THEREFROM
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United States of America Patent
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Issued Date -
Apr 2, 2015
app pub date -
Apr 26, 2013
filing date -
Apr 27, 2012
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Abandoned
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Abstract
A process for the production of methacrylic acid by the base catalysed decarboxylation of at least one dicarboxylic acid selected from itaconic, citraconic or mesaconic acid or mixtures thereof is described. The decarboxylation is carried out at a temperature in the range from 100 to 199° C. A method of preparing polymers or copolymers of methacrylic acid or methacrylic acid esters is also described.
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