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:
Dec. 22, 2020
Filed:
Jun. 25, 2019
Applicant:
Lanxess Deutschland Gmbh, Cologne, DE;
Inventor:
Christoph Hofmann, Cologne, DE;
Assignee:
LANXESS Deutschland GmbH, Cologne, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 68/02 (2006.01); C07C 69/96 (2006.01); B01J 35/12 (2006.01); B01J 31/02 (2006.01);
U.S. Cl.
CPC ...
C07C 68/02 (2013.01); B01J 31/0271 (2013.01); B01J 35/12 (2013.01); C07C 69/96 (2013.01); B01J 2231/49 (2013.01); B01J 2531/002 (2013.01);
Abstract
The present invention relates to a method for preparing dialkyl dicarbonates from the corresponding alkyl chloroformates using specific amine oxides as catalysts.