ALEXANDRIA, Va., March 19 -- United States Patent no. 12,252,575, issued on March 18, was assigned to SOUTH CHINA AGRICULTURAL UNIVERSITY (Guangdong, China).
"Supported three-center catalyst and preparation method and application" was invented by Yulong Jin (Guangdong, China) and Boping Liu (Guangdong, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A supported three-center catalyst, a preparation method and the use are provided. The catalyst comprises a porous inorganic carrier, an organic chromium active component, an inorganic chromium active component and an inorganic vanadium active component, and may further comprise a catalyst modifying component. A method involves, by means of one or more steps ...