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:
Sep. 01, 2020
Filed:
Jun. 18, 2015
Applicant:
Evonik Operations Gmbh, Essen, DE;
Inventors:
Boxun Leng, Shanghai, CN;
Juan Jesus Burdeniuc, Colmar, PA (US);
James Douglas Tobias, Center Valley, PA (US);
Robert Hoffman, Alburtis, PA (US);
Xiubing Hu, Shanghai, CN;
Assignee:
Evonik Operations GmbH, Essen, DE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08G 18/09 (2006.01); C08G 18/76 (2006.01); C08G 18/16 (2006.01); C08G 18/18 (2006.01); C08G 18/22 (2006.01); C08G 18/42 (2006.01); C08J 9/06 (2006.01); C08G 101/00 (2006.01);
U.S. Cl.
CPC ...
C08G 18/092 (2013.01); C08G 18/163 (2013.01); C08G 18/1808 (2013.01); C08G 18/1825 (2013.01); C08G 18/225 (2013.01); C08G 18/42 (2013.01); C08G 18/7664 (2013.01); C08J 9/06 (2013.01); C08G 2101/0025 (2013.01); C08J 2205/10 (2013.01); C08J 2207/00 (2013.01);
Abstract
The present invention provides trimerization catalyst compositions having a sterically hindered carboxylate salt used in combination with a tertiary amine catalysts having isocyanate reactive groups and methods to produce a polyisocyanurate/polyurethane foam using such trimerization catalyst compositions.