ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,502,654, issued on Dec. 23, was assigned to CHINA PETROLEUM & CHEMICAL Corp. (Beijing) and RESEARCH INSTITUTE OF PETROLEUM PROCESSING, SINOPEC (Beijing).

"Hydrogenation catalyst and preparation method therefor and use thereof" was invented by Yanzi Jia (Beijing), Hong Nie (Beijing), Qinghe Yang (Beijing), Shuangqin Zeng (Beijing), Dawei Hu (Beijing), Xinqiang Zhao (Beijing), Zhonghuo Deng (Beijing), Liang Ren (Beijing) and Xinpeng Nie (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "A catalyst has a carrier and a hydrogenation active metal component supported on the carrier. The hydrogenation active metal component contains at least one Group VIB...