ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,390,794, issued on Aug. 19, was assigned to TOYOTA JIDOSHA K.K. (Toyota, Japan) and CATALER Corp. (Kakegawa, Japan).
"Exhaust gas purification catalyst" was invented by Nobusuke Kabashima (Toyota, Japan) and Tetsuya Shinozaki (Kakegawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is an exhaust gas purification catalyst improved in warm-up performance while suppressing HC poisoning of a noble metal in an atmosphere in which an air-fuel ratio (A/F) is rich and the HC poisoning easily occurs. The present disclosure relates to an exhaust gas purification catalyst that includes a substrate and a catalyst coating layer coated on the substrat...