US Patent Issued to PetroChina on Dec. 23 for "Catalyst composition for polymerization of Alpha-olefin and preparation and use thereof" (Chinese Inventors)

ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,503,523, issued on Dec. 23, was assigned to PetroChina Co. Ltd. (Beijing).

"Catalyst composition for polymerization of Alpha-olefin and preparation and use thereof" was invented by Yuanyuan Cao (Beijing), Tong Liu (Beijing), Hongling Chu (Beijing), Libo Wang (Beijing), Yulong Wang (Beijing), Xianming Xu (Beijing), Xiuhui Wang (Beijing), Han Gao (Beijing), Wei Sun (Beijing) and Hongpeng Li (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure discloses a catalyst composition for polymerization of an Alpha-olefin and preparation and use thereof. The catalyst composition comprises boron trifluoride and at least one protic cocatalys...