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:
Jan. 26, 2016
Filed:
Jan. 23, 2012
Joseph M. Fedeyko, Glen Mills, PA (US);
Hai-ying Chen, Conshohocken, PA (US);
Arthur J. Reining, Christiana, PA (US);
Joseph M. Fedeyko, Glen Mills, PA (US);
Hai-Ying Chen, Conshohocken, PA (US);
Arthur J. Reining, Christiana, PA (US);
Johnson Matthey Public Limited Company, London, GB;
Abstract
Provided is a system for reducing ammonia (NH) emissions comprising a substrate and an ammonia oxidation catalyst disposed thereon, wherein the ammonia oxidation catalyst comprises a small pore molecular sieve supporting a transition metal selected from Cu, Fe, Ce, Mn, Ni, Zn, Ga, Mo, and Cr, provided that the ammonia oxidation catalyst is effective at oxidizing ammonia in an exhaust gas stream; and provided that the ammonia oxidation catalyst composition and the substrate are free of Platinum Group Metals.