US Patent Issued to ANHUI AGRICULTURAL UNIVERSITY on July 14 for "Preparation method of branched polyamide (PA) copolymer with ultra-high toughness, PA copolymer prepared using the method, and use of the PA copolymer" (Chinese Inventors)

ALEXANDRIA, Va., July 14 -- United States Patent no. 12,679,973, issued on July 14, was assigned to ANHUI AGRICULTURAL UNIVERSITY (Hefei, China).

"Preparation method of branched polyamide (PA) copolymer with ultra-high toughness, PA copolymer prepared using the method, and use of the PA copolymer" was invented by Zhongkai Wang (Hefei, China), Wei Liu (Hefei, China), Chuqing Ma (Hefei, China), Cheng Liu (Hefei, China), Zhong Wang (Hefei, China) and Yaqiong Zhang (Hefei, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A preparation method of a branched polyamide copolymer with ultra-high toughness is disclosed. The preparation method includes: (1) dissolving a linear dibasic acid in a solvent A to obtain ...