US Patent Issued to SHANGHAI JIAO TONG UNIVERSITY, JIANGSU LEADER NEW MATERIAL on May 6 for "Proton exchange membrane made of a crystalline sulfonated polyimide block copolymer, preparation method and use thereof" (Chinese Inventors)

ALEXANDRIA, Va., June 10 -- United States Patent no. 12,291,615, issued on May 6, was assigned to SHANGHAI JIAO TONG UNIVERSITY (Shanghai) and JIANGSU LEADER NEW MATERIAL Co. LTD. (Jiangsu, China).

"Proton exchange membrane made of a crystalline sulfonated polyimide block copolymer, preparation method and use thereof" was invented by Jianhua Fang (Shanghai), Xiaoxia Guo (Shanghai) and Jingjing Tong (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed are a proton exchange membrane made of a crystalline sulfonated polyimide block copolymer, a preparation method and use thereof. The crystalline sulfonated polyimide block copolymer has a chemical structure as shown in Formula (I), in which Ar1 gro...