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. 16, 2019
Filed:
Dec. 10, 2015
Applicant:
Ppg Industries Ohio, Inc., Cleveland, OH (US);
Inventors:
Hongying Zhou, Allison Park, PA (US);
Masayuki Nakajima, Wexford, PA (US);
Shanti Swarup, Allison Park, PA (US);
Tien-Chieh Chao, Mars, PA (US);
Assignee:
PPG Industries Ohio, Inc., Cleveland, OH (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08G 59/14 (2006.01); C08G 59/16 (2006.01); C08F 210/14 (2006.01);
U.S. Cl.
CPC ...
C08G 59/1477 (2013.01); C08F 210/14 (2013.01); C08G 59/1455 (2013.01);
Abstract
Disclosed herein are methods of preparing an aminimide. An epoxy compound is reacted with a hydrazine compound comprising a trivalent nitrogen, and an anhydride functional material or a cyclic compound containing a carbonyl group and at least one heteroatom alpha to the carbonyl group at a temperature greater than 20° C. to form the aminimide. At least one of the epoxy compound and the anhydride functional material or the cyclic compound is polymeric.