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:
Jan. 30, 2024
Filed:
May. 20, 2022
Applicant:
Evonik Operations Gmbh, Essen, DE;
Inventors:
Marcel Treskow, Darmstadt, DE;
Silvia Beyer, Ober-Ramstadt, DE;
Thorben Schütz, Alsbach-Hähnlein, DE;
Steffen Krill, Mühltal, DE;
Assignee:
Evonik Operations GmbH, Essen, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 67/08 (2006.01); B01J 27/138 (2006.01); B01J 31/02 (2006.01); C07C 69/54 (2006.01);
U.S. Cl.
CPC ...
C07C 67/08 (2013.01); B01J 27/138 (2013.01); B01J 31/0232 (2013.01); C07C 69/54 (2013.01); B01J 2231/324 (2013.01); B01J 2531/002 (2013.01);
Abstract
The invention relates to a method for preparation of (meth)acrylic acid esters from (meth)acrylic acid anhydrides. The method involves: reacting a (meth)acrylic acid anhydride of Formula (I):