US Patent Issued to CHINA PETROLEUM & CHEMICAL, BEIJING RESEARCH INSTITUTE OF CHEMICAL INDUSTRY CHINA PETROLEUM & CHEMICAL on Sept. 2 for "High strength ultra-thin biodegradable film and preparation method thereof" (Chinese Inventors)

ALEXANDRIA, Va., Sept. 3 -- United States Patent no. 12,404,365, issued on Sept. 2, was assigned to CHINA PETROLEUM & CHEMICAL Corp. (Beijing) and BEIJING RESEARCH INSTITUTE OF CHEMICAL INDUSTRY CHINA PETROLEUM & CHEMICAL Corp. (Beijing).

"High strength ultra-thin biodegradable film and preparation method thereof" was invented by Guixiang Zhu (Beijing), Taoyi Zhang (Beijing), Mingfu Lyu (Beijing), Cui Zheng (Beijing), Wei Zhang (Beijing), Ling Han (Beijing), Wenxi Ji (Beijing), Ning Xu (Beijing) and Peng Guo (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "A biodegradable film is prepared from a composition that includes a copolyester obtained by extrusion reaction of a branched aliphatic-aromatic cop...