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:
Feb. 09, 2021
Filed:
Jun. 12, 2019
Applicant:
Henkel Ip & Holding Gmbh, Duesseldorf, DE;
Inventors:
Assignee:
Henkel IP & Holding GmbH, Duesseldorf, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 253/30 (2006.01); B01J 23/20 (2006.01); B01J 27/12 (2006.01);
U.S. Cl.
CPC ...
C07C 253/30 (2013.01); B01J 23/20 (2013.01); B01J 27/12 (2013.01);
Abstract
This invention relates to a process for preparing electron deficient olefins, such as 2-cyanoacrylates, using an acid catalyzed two-step process including an esterification reaction followed by a Knoevenagel condensation reaction.