The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 03, 2026
Filed:
Dec. 15, 2023
Johnson Matthey Public Limited Company, London, GB;
Ross Barron, Royston, GB;
Guy Richard Chandler, Royston, GB;
Francesco Foschi, Royston, GB;
Stuart David Reid, Royston, GB;
Mark Walton, Royston, GB;
Johnson Matthey Public Limited Company, London, GB;
Abstract
A catalytic wall-flow filter for the treatment of an exhaust gas is disclosed. The catalytic wall-flow filter comprise at least a first, a second and a third catalytic layers: the first catalytic layer extends from the inlet-end of the substrate and comprises a first SCR composition; the second catalytic layer is provided in or on the walls of the inlet channels, extending from the inlet-end of the substrate, and comprises a PGM-containing composition; the third catalytic layer is provided in or on the walls of the outlet channels, extending from the outlet-end of the substrate, and comprises a second SCR composition.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile