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:
Feb. 07, 2017
Filed:
Mar. 23, 2015
Applicant:
Johnson Matthey Public Limited Company, London, GB;
Inventors:
Joseph Michael Fedeyko, Malvern, PA (US);
Alexander Nicholas Michael Green, Baldock, GB;
Guy Richard Chandler, Cambridge, GB;
Jillian Elaine Collier, Reading, GB;
Hai-Ying Chen, Conshohocken, PA (US);
Assignee:
Johnson Matthey Public Limited Company, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 53/94 (2006.01); B01D 53/86 (2006.01); F01N 3/18 (2006.01); G06F 9/46 (2006.01); G06F 13/28 (2006.01); G06F 15/173 (2006.01); B01J 37/02 (2006.01); B01J 29/072 (2006.01); B01J 29/76 (2006.01); B01J 35/04 (2006.01); B01J 35/00 (2006.01);
U.S. Cl.
CPC ...
B01D 53/9418 (2013.01); B01J 29/072 (2013.01); B01J 29/76 (2013.01); B01J 29/763 (2013.01); B01J 35/04 (2013.01); B01J 37/0246 (2013.01); G06F 9/467 (2013.01); G06F 13/287 (2013.01); G06F 15/17331 (2013.01); B01D 53/9477 (2013.01); B01D 2251/2062 (2013.01); B01D 2255/20761 (2013.01); B01D 2255/50 (2013.01); B01J 35/0006 (2013.01); B01J 2229/186 (2013.01); Y02C 20/10 (2013.01);
Abstract
Provided is a method for reducing NO emissions in an exhaust gas comprising contacting an exhaust gas containing NHand an inlet NO concentration with an SCR catalyst composition containing small pore zeolite having an SAR of about 3 to about 15 and having about 1-5 wt. % of an exchanged transition metal.