ALEXANDRIA, Va., June 16 -- United States Patent no. 12,303,873, issued on May 20, was assigned to Cataler Corp. (Kakegawa, Japan).
"Exhaust gas purification catalyst" was invented by Tatsuya Ohashi (Kakegawa, Japan), Kohei Takasaki (Kakegawa, Japan), Yu Onohara (Kakegawa, Japan) and Keiichi Narita (Kakegawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is an exhaust gas purification catalyst that includes a base material containing a silicon-silicon carbide composite material and a catalyst layer containing a barium component and that has excellent high-temperature durability of oxygen storage capacity. The exhaust gas purification catalyst disclosed here includes a base material and a cata...