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. 26, 2019
Filed:
Sep. 28, 2016
Applicant:
Dow Global Technologies Llc, Midland, MI (US);
Inventors:
Eung Kyu Kim, Midland, MI (US);
William J. Harris, Freeport, TX (US);
Qi Jiang, Shanghai, CN;
Xin Jiang, Shanghai, CN;
Kaoru Ohba, Tokyo, JP;
Assignee:
Dow Global Technologies LLC, Midland, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 73/10 (2006.01);
U.S. Cl.
CPC ...
C08G 73/1071 (2013.01); C08G 73/1032 (2013.01);
Abstract
The process for synthesizing a poly(amic acid) polymer or a polyimide polymer is improved by using a solvent system consisting essentially of: