ALEXANDRIA, Va., April 21 -- United States Patent no. 12,606,753, issued on April 21, was assigned to Chevron U.S.A. Inc. (San Ramon, Calif.).

"Radial flow moving bed reactor for catalytic cracking of light hydrocarbons" was invented by Lin Li (San Ramon, Calif.), Huping Luo (Moraga, Calif.), Xiaoying Ouyang (El Cerrito, Calif.), Alexander E. Kuperman (Midland, Mich.), Steven Xuqi Song (Albany, Calif.) and Christopher Declan Lane (Kensington, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A process includes flowing a catalyst composition comprising catalyst particles into a radial flow moving bed reactor, wherein the catalyst particles move by gravity through the radial flow moving bed reactor to an e...