US Patent Issued to CHINA PETROLEUM & CHEMICAL, BEIJING RESEARCH INSTITUTE OF CHEMICAL INDUSTRY CHINA PETROLEUM & CHEMICAL on Oct. 14 for "Polymer-based film, preparation method therefor, and use thereof" (Chinese Inventors)

ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,440,808, issued on Oct. 14, was assigned to CHINA PETROLEUM & CHEMICAL Corp. (Beijing) and BEIJING RESEARCH INSTITUTE OF CHEMICAL INDUSTRY CHINA PETROLEUM & CHEMICAL Corp. (Beijing).

"Polymer-based film, preparation method therefor, and use thereof" was invented by Yiqun Liu (Beijing), Jing Wang (Beijing), Guoyuan Pan (Beijing), Yang Zhang (Beijing) and Hao Yu (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "A polymer film has a loofah-like structure. It has a fibrous framework structure formed by three-dimensional interwoven and interconnected polymer fibers and a three-dimensional interconnected network pore structure distributed in the fibrous...