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:
Nov. 13, 2018
Filed:
Mar. 17, 2017
Applicant:
I.s.t Corporation, Otsu, JP;
Inventors:
Gary L. Deets, Coventry, CT (US);
Jianming Xiong, North Brunswick, NJ (US);
Assignee:
I.S.T Corporation, Otsu, Shiga, JP;
Primary Examiner:
Int. Cl.
CPC ...
C08G 73/10 (2006.01); C08J 5/24 (2006.01); C08J 5/04 (2006.01); C08L 79/08 (2006.01);
U.S. Cl.
CPC ...
C08G 73/1028 (2013.01); C08G 73/1042 (2013.01); C08G 73/1071 (2013.01); C08J 5/042 (2013.01); C08J 5/24 (2013.01); C08J 2379/08 (2013.01); C08L 79/08 (2013.01);
Abstract
A method for using citraconic anhydride and itaconic anhydride as addition cure end caps in reactions for forming polyamic acid oligomers and polyimide oligomers, is provided. Prepregs and high temperature adhesives made from the resulting oligomers, as well as, high temperature, low void volume composites made from the prepregs, are also provided.