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:
Jan. 28, 2020
Filed:
Nov. 26, 2013
Applicant:
Reichhold Llc 2, Research Triangle Park, NC (US);
Inventors:
Hildeberto Nava, Cary, NC (US);
Yongning Liu, Apex, NC (US);
Assignee:
Reichhold LLC 2, Research Triangle Park, NC (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 63/91 (2006.01); C08L 67/02 (2006.01);
U.S. Cl.
CPC ...
C08L 67/02 (2013.01); C08G 63/91 (2013.01); C08G 63/912 (2013.01); C08G 63/914 (2013.01);
Abstract
A process for forming a thermosetting resin in a nitrogen atmosphere is provided. The process includes the steps of a) reacting a polycarboxylic acid and/or anhydride and a polyhydric alcohol to provide a hydroxyl-containing intermediate; b) reacting the hydroxyl-containing intermediate with a vinyl-containing organic acid or vinyl containing alkyl ester in the presence of an esterification catalyst, a polymerization inhibitor and an azeotropic agent; and c) reacting any residual vinyl-containing organic acid and residual esterification catalyst with an epoxide.