MUMBAI, India, June 20 -- Intellectual Property India has published a patent application (202517047282 A) filed by Basf Mobile Emissions Catalysts Llc, Iselin, U.S.A., on May 16, for 'catalyst comprising a sulfur trap material for the treatment of an exhaust gas stream containing one or more of formaldehyde nitrogen oxide (no) and hydrocarbons.'
Inventor(s) include Hoke Jeffrey B; Sung Shiang; Tran Pascaline; Sun Yipeng; and Li Yuejin.
The application for the patent was published on June 20, under issue no. 25/2025.
According to the abstract released by the Intellectual Property India: "The present invention relates to a catalyst for the treatment of an exhaust gas stream containing one or more of formaldehyde nitrogen oxide (NO) and hydrocarbons the catalyst comprising a first washcoat layer comprising Mn a second washcoat layer comprising a sulfur trap material and a substrate wherein the substrate has an inlet end and an outlet end wherein the exhaust gas stream flowing through the catalyst first comes into contact with the second washcoat layer prior to coming into contact with the first washcoat layer wherein the catalyst further comprises one or more platinum group metals comprising Pt Pd or Pt and Pd wherein the one or more platinum group metals are at least in part contained in one or more of (a) the first washcoat layer (b) the second washcoat layer and (c) an optional third washcoat layer. Further the present invention relates to an exhaust gas treatment system comprising said catalyst a method for the treatment of an exhaust gas stream containing one or more of formaldehyde nitrogen oxide (NO) and hydrocarbons using said catalyst and use of said catalyst for the oxidation of one or more of formaldehyde nitrogen oxide (NO) and hydrocarbons."
The patent application was internationally filed on Dec. 04, 2023, under International application No.PCT/EP2023/084136.
Disclaimer: Curated by HT Syndication.