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. 11, 2012
Filed:
Feb. 01, 2011
Paul Joseph Andersen, Plymouth Meeting, PA (US);
Todd Ballinger, Downingtown, PA (US);
David Bergeal, Ware, GB;
Hsiao-lan Chang, Wayne, PA (US);
Hai-ying Chen, Conshohocken, PA (US);
Julian Cox, Malvern, PA (US);
Ralf Dotzel, Nuernberg, DE;
Rainer Leppelt, Lichtenfels, DE;
Jörg Werner Münch, Lichtenfels, DE;
Hubert Schedel, Küps, DE;
Duncan John William Winterborn, Cambridge, GB;
Paul Joseph Andersen, Plymouth Meeting, PA (US);
Todd Ballinger, Downingtown, PA (US);
David Bergeal, Ware, GB;
Hsiao-Lan Chang, Wayne, PA (US);
Hai-Ying Chen, Conshohocken, PA (US);
Julian Cox, Malvern, PA (US);
Ralf Dotzel, Nuernberg, DE;
Rainer Leppelt, Lichtenfels, DE;
Jörg Werner Münch, Lichtenfels, DE;
Hubert Schedel, Küps, DE;
Duncan John William Winterborn, Cambridge, GB;
Johnson Matthey Public Limited Company, London, GB;
Abstract
An oxidation catalyst comprises an extruded solid body comprising: 10-95% by weight of at least one binder/matrix component; 5-90% by weight of a zeolitic molecular sieve, a non-zeolitic molecular sieve or a mixture of any two or more thereof; and 0-80% by weight optionally stabilized ceria, which catalyst comprising at least one precious metal and optionally at least one non-precious metal, wherein: (i) a majority of the at least one precious metal is located at a surface of the extruded solid body; (ii) the at least one precious metal is carried in one or more coating layer(s) on a surface; (iii) at least one metal is present throughout the extruded solid body and in a higher concentration at a surface; (iv) at least one metal is present throughout the extruded solid body and in a coating layer(s) on a surface; or (v) a combination of (ii) and (iii).