The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 06, 2015
Filed:
Jul. 06, 2012
Virginie Bette, Mannheim, DE;
Matthias Dust, Ludwigshafen, DE;
Jochen Petzoldt, Weisenheim am Berg, DE;
Uwe Meisenburg, Mannheim, DE;
Andrea Misske, Speyer, DE;
Hermann Bergmann, Mannheim, DE;
Virginie Bette, Mannheim, DE;
Matthias Dust, Ludwigshafen, DE;
Jochen Petzoldt, Weisenheim am Berg, DE;
Uwe Meisenburg, Mannheim, DE;
Andrea Misske, Speyer, DE;
Hermann Bergmann, Mannheim, DE;
BASF SE, Ludwigshafen, DE;
Abstract
The invention relates to a process for preparing (meth)acrylic esters by esterifying (meth)acrylic acid or transesterifying at least one (meth)acrylic ester with at least one compound comprising at least one OH group in the presence of a heterogeneous catalyst comprising at least one inorganic salt, wherein the esterification or transesterification is performed in the presence of 300 to 3000 ppm of water based on the total weight of the reaction mixture.