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. 04, 2007
Filed:
Dec. 20, 2002
Philip Gerald Blakeman, Cambridge, GB;
Martyn Vincent Twigg, Cambridge, GB;
Andrew Peter Walker, Royston, GB;
Stanislaw Edmund Golunski, Reading, GB;
Guy Richard Chandler, Cambridge, GB;
Philip Gerald Blakeman, Cambridge, GB;
Martyn Vincent Twigg, Cambridge, GB;
Andrew Peter Walker, Royston, GB;
Stanislaw Edmund Golunski, Reading, GB;
Guy Richard Chandler, Cambridge, GB;
Johnson Matthey Public Limited Company, London, GB;
Abstract
A method of selectively catalysing the reduction of NOin an exhaust gas flowing in an exhaust system of an internal combustion engine comprising a filter () for particulate matter comprising a catalyst capable of selectively catalysing the reduction of NOwith a reducing agent, which method comprising introducing a reducing agent, or a precursor thereof, into the exhaust gas and contacting the resulting gas with the filter ().