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:
May. 11, 2021
Filed:
Nov. 14, 2018
Applicant:
Industrial Technology Research Institute, Hsinchu, TW;
Inventors:
Assignee:
INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, Hsinchu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 69/28 (2006.01); C07C 231/02 (2006.01); C07C 237/34 (2006.01); C07C 233/78 (2006.01);
U.S. Cl.
CPC ...
C08G 69/28 (2013.01); C07C 231/02 (2013.01); C07C 233/78 (2013.01); C07C 237/34 (2013.01);
Abstract
A method of forming a copolymer is provided, which includes (i) mixing a diamine and a diester to form a mixture, and heating the mixture to form a diamine compound, wherein the diamine compound has a chemical structure of (ii) mixing the diamine compound and a diacid to form a diamine-diacid salt, wherein the diamine-diacid salt has a chemical structure of and (iii) heating the diamine-diacid salt to polymerize the diamine-diacid salt for forming a copolymer, wherein the copolymer has a repeating unit with a chemical structure of wherein n=2-12, R is and m=2-12.