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:
Sep. 08, 2015
Filed:
Jan. 28, 2013
Johnson Matthey Public Limited Company, London, GB;
Joseph M. Fedeyko, Glen Mills, PA (US);
Hai-Ying Chen, Conshohocken, PA (US);
Guy Richard Chandler, Cambridge, GB;
Alexander Nicholas Michael Green, Baldock, GB;
Debnath De, Malvern, PA (US);
Shadab Mulla, Pottstown, PA (US);
Wendy Manning, Barto, PA (US);
Philip Gerald Blakeman, Philadelphia, PA (US);
Johnson Matthey Public Limited Company, London, GB;
Abstract
Provided is a catalyst for selective catalytic reduction of NOx in a lean-burn exhaust gas comprising a 0.8:1.0 to 1.2:1.0 blend of a metal promoted aluminosilicate having a CHA structure and a metal promoted silicoaluminophosphate having a CHA structure, respectively, wherein the silicoaluminophosphate is characterized by a higher promotion metal loading compared to the aluminosilicate.