ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,485,403, issued on Dec. 2, was assigned to QUANTUM CAT Co. LTD. (Daejeon, South Korea).

"Metallic nanoparticle catalysts embedded in porous oxide support, which show high catalytic activity even at low temperatures" was invented by Shin Hyun Kang (Sejong, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a metallic nanoparticle catalyst, and more particularly, to a porous catalyst in which metallic nanoparticles are embedded in a porous oxide support, and a method for preparing the porous catalyst. To this end, a porous catalyst composition having metallic nanoparticles of the present invention includes an oxide ...