US Patent Issued to CATALER on April 7 for "Exhaust gas purification catalyst device" (Japanese Inventors)

ALEXANDRIA, Va., April 7 -- United States Patent no. 12,594,525, issued on April 7, was assigned to CATALER Corp. (Kakegawa, Japan).

"Exhaust gas purification catalyst device" was invented by Shunsuke Oishi (Kakegawa, Japan), Naruya Inada (Kakegawa, Japan) and Ryoichi Ogawa (Kakegawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An gas purification catalyst device having a catalyst coated layer formed on at least one base material, wherein: the catalyst coated layer includes a first catalyst coated layer on the upstream side of an exhaust gas flow, and a second catalyst coated layer on the downstream side of the exhaust gas flow; the first catalyst coated layer includes a hydrocarbon adsorbent and a ...