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. 14, 2022
Filed:
Oct. 05, 2016
Johnson Matthey Public Limited Company, London, GB;
David Bergeal, Royston, GB;
Gavin Brown, Royston, GB;
Andrew Francis Chiffey, Royston, GB;
Francois Moreau, Royston, GB;
Matthew O'Brien, Royston, GB;
Johnson Matthey Public Limited Company, London, GB;
Abstract
An exhaust system for treating an exhaust gas produced by a lean burn engine comprising: (i) a NOabsorber catalyst comprising a molecular sieve catalyst disposed on a substrate, wherein the molecular sieve catalyst comprises a noble metal and a molecular sieve, wherein the molecular sieve contains the noble metal; (ii) means for introducing hydrocarbons into the exhaust gas; and (iii) a lean NOtrap; wherein the NOabsorber catalyst is upstream of both the means for introducing hydrocarbons into the exhaust gas and the lean NOtrap.