US Patent Issued to CHINA PETROLEUM & CHEMICAL, SINOPEC DALIAN RESEARCH INSTITUTE OF PETROLEUM AND PETROCHEMICALS on April 8 for "Preparation method and production device for propylene" (Chinese Inventors)

ALEXANDRIA, Va., April 9 -- United States Patent no. 12,269,786, issued on April 8, was assigned to CHINA PETROLEUM & CHEMICAL Corp. (Beijing) and SINOPEC DALIAN RESEARCH INSTITUTE OF PETROLEUM AND PETROCHEMICALS Co. LTD. (Liaoning, China).

"Preparation method and production device for propylene" was invented by Kai Qiao (Liaoning, China), Feng Zhou (Liaoning, China), Xiuna Yang (Liaoning, China), Huixia Ma (Liaoning, China), Rui Jiang (Liaoning, China), Shumei Zhang (Liaoning, China), Ping Jin (Liaoning, China) and Shaozhong Peng (Liaoning, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A process for producing propylene involves dehydration of isopropanol. The dehydration process includes a step of su...