Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Martin Koestner0
Alexander Lygin0
Matthias Groemping0
Rudolf Burghardt0
Steffen Krill0
Torsten Balduf0
Date of Patent
April 30, 2019
0Patent Application Number
157958870
Date Filed
October 27, 2017
0Patent Citations Received
Patent Primary Examiner
Patent abstract
The present invention relates to a process for producing methyl methacrylate, comprising the following steps:A) producing methacrolein andB) reacting the methacrolein obtained in step A) in an oxidative esterification reaction to give methyl methacrylate,characterized in that the two steps A) and B) take place in a liquid phase at a pressure of from 2 to 100 bar, and step B) is carried out in the presence of a heterogeneous noble-metal-containing catalyst comprising metals and/or comprising metal oxides.
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