ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,734,505, issued on Sept. 15, was assigned to UNIVERSITY OF SEOUL INDUSTRY COOPERATION FOUNDATION (Seoul, South Korea).

"Catalyst structure having a core-shell structure with a controlled surface morphology and preparation method thereof" was invented by Doohwan Lee (Seoul, South Korea), Dohyeon Han (Seoul, South Korea) and Jieun Kim (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides a catalyst structure having a core-shell structure comprising a core comprising a metal and a shell formed on the core, wherein the shell comprises a metal hydroxide crystal or a metal oxide crystal formed uniformly in shape an...