ALEXANDRIA, Va., March 24 -- United States Patent no. 12,582,974, issued on March 24, was assigned to Hyundai Motor Co. (Seoul, South Korea), Kia Corp. (Seoul, South Korea) and Industry Foundation of Chonnam National University (Gwangju, South Korea).
"No x storage catalyst and method for preparing the same" was invented by Dalyoung Yoon (Seongnam-si, South Korea), Soon Hee Park (Gwangju, South Korea) and Sung June Cho (Gwangju, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A NOX storage catalyst includes CHA zeolite, a transition metal ion-exchanged in the CHA zeolite, and a rare earth metal that is different the transition metal and is supported on the CHA zeolite. A method for preparing a NOX...