ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,492,190, issued on Dec. 9, was assigned to Jilin University (Changchun, China).

"Polydentate organic ligand, metallo-supramolecular polymer, polymer film and preparation method thereof" was invented by Hongwei Zhou (Changchun, China), Yuqi Wu (Changchun, China), Daming Wang (Changchun, China), Bing Cong (Changchun, China), Xiaogang Zhao (Changchun, China) and Chunhai Chen (Changchun, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A polydentate organic ligand has a triphenylamine-pyridine substituted triazole structure with the structural formula I. The polydentate organic ligand having the triphenylamine-pyridine substituted triazole structure and ...