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:
Mar. 15, 2016
Filed:
Feb. 01, 2011
Jillian Elaine Collier, Reading, GB;
Ralf Dotzel, Nuremberg, DE;
Sylvie Cécile Laroze, Brightwell Cum Sotwell, GB;
Rainer Leppelt, Lichtenfels, DE;
Paul James Millington, Reading, GB;
Jörg Werner Münch, Lichtenfels, DE;
Raj Rao Rajaram, Slough, GB;
Hubert Schedel, Küps, DE;
Jillian Elaine Collier, Reading, GB;
Ralf Dotzel, Nuremberg, DE;
Sylvie Cécile Laroze, Brightwell Cum Sotwell, GB;
Rainer Leppelt, Lichtenfels, DE;
Paul James Millington, Reading, GB;
Jörg Werner Münch, Lichtenfels, DE;
Raj Rao Rajaram, Slough, GB;
Hubert Schedel, Küps, DE;
Johnson Matthey Public Limited Company, London, GB;
Abstract
A wall-flow filter for filtering particulate matter from a flowing exhaust gas comprises a catalyst for catalyzing both the conversion of solid carbon in the particulate matter by oxygen and the selective reduction of oxides of nitrogen in the exhaust gas with a nitrogenous reductant, which catalyst comprising optionally stabilized ceria and at least one metal selected from (i) tungsten and (ii) both tungsten and iron.