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:
Dec. 09, 2014
Filed:
Aug. 06, 2012
Joseph Michael Fedeyko, Glen Mills, PA (US);
Rodney Kok Shin Foo, Caversham, GB;
John Leonello Casci, Redcar, GB;
Hai-ying Chen, Conshohocken, PA (US);
Paul Joseph Andersen, Plymouth Meeting, PA (US);
Jillian Elaine Collier, Reading, GB;
Raj Rao Rajaram, Slough, GB;
Joseph Michael Fedeyko, Glen Mills, PA (US);
Rodney Kok Shin Foo, Caversham, GB;
John Leonello Casci, Redcar, GB;
Hai-Ying Chen, Conshohocken, PA (US);
Paul Joseph Andersen, Plymouth Meeting, PA (US);
Jillian Elaine Collier, Reading, GB;
Raj Rao Rajaram, Slough, GB;
Johnson Matthey Public Limited Company, London, GB;
Abstract
A method of converting nitrogen oxides in a gas to nitrogen by contacting the nitrogen oxides with a nitrogenous reducing agent in the presence of a zeolite catalyst containing at least one transition metal, wherein the zeolite is a small pore zeolite containing a maximum ring size of eight tetrahedral atoms, wherein the at least one transition metal is selected from the group consisting of Cr, Mn, Fe, Co, Ce, Ni, Cu, Zn, Ga, Mo, Ru, Rh, Pd, Ag, In, Sn, Re, Ir and Pt.