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. 10, 2013
Filed:
Feb. 01, 2011
Paul Joseph Andersen, Plymouth Meeting, PA (US);
Ralf Dotzel, Nuremberg, DE;
Kwangmo Koo, Wayne, PA (US);
Rainer Leppelt, Lichtenfels, DE;
Jörg Werner Münch, Lichtenfels, DE;
Jeffery Scott Rieck, King of Prussia, PA (US);
Hubert Schedel, Küps, DE;
Duncan John William Winterborn, Cambridge, GB;
Todd Howard Ballinger, Downingtown, PA (US);
Julian Peter Cox, Malvern, PA (US);
Paul Joseph Andersen, Plymouth Meeting, PA (US);
Ralf Dotzel, Nuremberg, DE;
Kwangmo Koo, Wayne, PA (US);
Rainer Leppelt, Lichtenfels, DE;
Jörg Werner Münch, Lichtenfels, DE;
Jeffery Scott Rieck, King of Prussia, PA (US);
Hubert Schedel, Küps, DE;
Duncan John William Winterborn, Cambridge, GB;
Todd Howard Ballinger, Downingtown, PA (US);
Julian Peter Cox, Malvern, PA (US);
Johnson Matthey Public Limited Co., London, GB;
Abstract
A three way catalyst includes an extruded solid body having: 10-95% by weight of at least one binder/matrix component; 5-90% by weight of a zeolitic molecular sieve; and 0-80% by weight optionally stabilized ceria. The catalyst further includes at least one precious metal and optionally at least one non-precious metal. The at least one precious metal is carried in a coating layer on a surface of the extruded solid body; at least one metal is present throughout the extruded solid body and at least one precious metal is also carried in a coating layer on a surface of the extruded solid body; or at least one metal is present throughout the extruded solid body, is present in a higher concentration at a surface of the extruded solid body and at least one precious metal is also carried in a coating layer on the surface of the extruded solid body.