ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,741,870, issued on Sept. 22, was assigned to CHINA PETROLEUM & CHEMICAL Corp. (Beijing) and RESEARCH INSTITUTE OF PETROLEUM PROCESSING, SINOPEC (Beijing).
"Method and system for preparing hydrogen peroxide" was invented by Guohua Gao (Beijing), Yanan Tian (Beijing), Keyong Yang (Beijing) and Baoning Zong (Beijing).
According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed are a method and system for producing hydrogen peroxide, the method comprising: 1) carrying out a hydrogenation reaction on a working solution containing an alkylanthraquinone in the presence of hydrogenation catalyst particles and hydrogen, separating the resultant to obtain a circulati...