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:
May. 03, 2022
Filed:
Aug. 15, 2019
Applicant:
Evonik Operations Gmbh, Essen, DE;
Inventors:
Marcel Treskow, Darmstadt, DE;
Martin Glock, Pfungstadt, DE;
Günther Gräff, Bensheim, 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 67/26 (2006.01); B01J 27/132 (2006.01); B01J 27/138 (2006.01); B01J 31/02 (2006.01); B01J 31/22 (2006.01); C07C 67/54 (2006.01);
U.S. Cl.
CPC ...
C07C 67/26 (2013.01); B01J 27/132 (2013.01); B01J 27/138 (2013.01); B01J 31/0239 (2013.01); B01J 31/0244 (2013.01); B01J 31/2234 (2013.01); C07C 67/54 (2013.01); B01J 2531/62 (2013.01);
Abstract
The invention relates to a method for preparation of diesters from anhydrides of carboxylic acids.