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:
Jun. 24, 2014
Filed:
Jul. 06, 2009
Guy Richard Chandler, Cambridge, GB;
Neil Robert Collins, Royston, GB;
Paul Richard Phillips, Royston, GB;
Daniel Swallow, Sandy, GB;
Guy Richard Chandler, Cambridge, GB;
Neil Robert Collins, Royston, GB;
Paul Richard Phillips, Royston, GB;
Daniel Swallow, Sandy, GB;
Johnson Matthey Public Limited Company, London, GB;
Abstract
An exhaust system () for a lean-burn internal combustion engine () comprises a first substrate monolith () comprising a catalyst for oxidizing nitric oxide (NO) comprising a catalytic oxidation component followed downstream by a second substrate monolith () which is a wall-flow filter having inlet channels and outlet channels, wherein the inlet channels comprise a NO x absorber catalyst () and the outlet channels comprise a catalyst for selective catalytic reduction () of nitrogen oxides with nitrogenous reductant.