MUMBAI, India, July 25 -- Intellectual Property India has published a patent application (202527065972 A) filed by Cataler Corporation, Shizuoka, Japan, on July 10, for 'exhaust gas purification catalyst.'
Inventor(s) include Oseki, Takehisa; and Hirao, Tetsuhiro.
The application for the patent was published on July 25, under issue no. 30/2025.
According to the abstract released by the Intellectual Property India: "The present invention provides an exhaust gas purification catalyst which is inhibited from being poisoned by phosphorus and has excellent exhaust gas purification performance. The exhaust gas purification catalyst disclosed herein is intended to be used for purifying an exhaust gas discharged from an internal combustion engine. The exhaust gas purification catalyst comprises a base 11, a catalyst layer 20 disposed on the base 11 and comprising a catalytic metal and an OSC material, and a phosphorus-trapping layer 30 disposed on the catalyst layer 20, containing calcium sulfate and/or calcium carbonate as a phosphorus-trapping ingredient, and containing substantially no catalytic metal. The phosphorus-trapping layer 30 extends from the upstream-side end of the base 11 toward the downstream side along the exhaust-gas flow direction."
The patent application was internationally filed on Dec. 18, 2023, under International application No.PCT/JP2023/045171.
Disclaimer: Curated by HT Syndication.
