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:
Jul. 18, 2017
Filed:
Sep. 22, 2015
Applicant:
Evonik Degussa Gmbh, Essen, DE;
Inventors:
Kristen Elaine Minnich, Germansville, PA (US);
Marcelo Rufo, Sao Paulo, BR;
Gamini Ananda Vedage, Bethlehem, PA (US);
Assignee:
Evonik Degussa GmbH, Essen, DE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07C 249/00 (2006.01); C08L 63/00 (2006.01); C07C 251/08 (2006.01); C07C 249/02 (2006.01); C08G 59/50 (2006.01);
U.S. Cl.
CPC ...
C07C 251/08 (2013.01); C07C 249/02 (2013.01); C08G 59/50 (2013.01);
Abstract
Ketimines of benzylated polyamines and MEK are disclosed. The ketimines can be used as an epoxy curing agent and impart improved potlife, and enhanced blush and chemical resistance of cured epoxy coatings.