ALEXANDRIA, Va., Feb. 19 -- United States Patent no. 12,227,619, issued on Feb. 18, was assigned to NATIONAL TAIWAN UNIVERSITY (Taipei, Taiwan).
"Polyimide based copolymer and electronic component and field effect transistor comprising the same" was invented by Wen-Chang Chen (Taipei, Taiwan), Mitsuru Ueda (Taipei, Taiwan), Chun-Kai Chen (Taipei, Taiwan) and Yan-Cheng Lin (Taipei, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides a polyimide-based copolymer and electronic component and field effect transistor comprising the same. The polyimide-based copolymer comprises a copolymer of dianhydride and heterocyclic diamine, wherein the heterocyclic diamine has two benzene ring...