ALEXANDRIA, Va., June 9 -- United States Patent no. 12,285,743, issued on April 29, was assigned to CHINA PETROLEUM & CHEMICAL Corp. (Beijing) and RESEARCH INSTITUTE OF PETROLEUM PROCESSING, SINOPEC (Beijing).

"Supported catalyst, preparation method therefor and application thereof" was invented by Songtao Dong (Beijing), Zhihai Hu (Beijing), Guangle Zhao (Beijing), Ping Yang (Beijing) and Yang Zhao (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "A supported catalyst has a support and a metal active component disposed on the support. The metal active component is at least one selected from the group consisting of a Group VIB metal element and a Group VIII metal element. The support contains at least ...