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filingDate 2018-09-12-04:00^^<http://www.w3.org/2001/XMLSchema#date>
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publicationDate 2020-07-29-04:00^^<http://www.w3.org/2001/XMLSchema#date>
publicationNumber EP-3684752-A1
titleOfInvention Method for production of methyl methacrylate by oxidative esterification using a heterogeneous catalyst
abstract The invention relates to a process for the preparation of methyl methacrylate from methacrolein and methanol. The method comprises contacting a mixture comprising methacrolein, methanol and oxygen with a heterogeneous catalyst comprising a carrier and a noble metal, wherein the oxygen concentration at a reactor outlet is from 1 to 7 , 5 mol% and the pH at a reactor outlet not exceeding 7.5.
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