US Patent Issued to UMICORE SHOKUBAI JAPAN on July 15 for "Ce-Zr composite oxide, manufacturing method of same, and exhaust gas purification catalyst using same" (Japanese Inventors)

ALEXANDRIA, Va., July 16 -- United States Patent no. 12,358,808, issued on July 15, was assigned to UMICORE SHOKUBAI JAPAN Co. LTD. (Tokoname, Japan).

"Ce-Zr composite oxide, manufacturing method of same, and exhaust gas purification catalyst using same" was invented by Yuji Ogino (Kobe, Japan), Yusuke Haneda (Kobe, Japan), Koji Nakagawa (Kobe, Japan) and Shinji Iwamoto (Kiryu, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An object of the present invention is to provide means for releasing oxygen at a temperature lower than conventional means in an exhaust gas purification catalyst. A Ce-Zr composite oxide is provided, which has a crystallite diameter of 6.5 nm or less and a BET specific surface area...