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:
Jul. 13, 2010
Filed:
Jan. 09, 2008
Shau-lin F. Chen, Piscataway, NJ (US);
Knut Wassermann, Princeton, NJ (US);
Stephan Siemund, Pattensen, DE;
Tian Luo, Piscataway, NJ (US);
Torsten Neubauer, Langenhagen, DE;
Jin Sakakibara, Edison, NJ (US);
Harold Rabinowitz, Montclair, NJ (US);
Shau-Lin F. Chen, Piscataway, NJ (US);
Knut Wassermann, Princeton, NJ (US);
Stephan Siemund, Pattensen, DE;
Tian Luo, Piscataway, NJ (US);
Torsten Neubauer, Langenhagen, DE;
Jin Sakakibara, Edison, NJ (US);
Harold Rabinowitz, Montclair, NJ (US);
BASF Corporation, Florham Park, NJ (US);
Abstract
A multilayered, three-way conversion catalyst having the capability of simultaneously catalyzing the oxidation of hydrocarbons and carbon monoxide and the reduction of nitrogen oxides is disclosed. Provided is a catalytic material of at least four layers in conjunction with a carrier, where each of the layers includes a support, at least three layers comprise a precious metal component, and at least one layer comprises an oxygen storage component (OSC). The catalytic material can further comprise a fifth layer, where at least four layers comprise a precious metal component, at least one layer comprises an oxygen storage component, and at least one layer is substantially free of an oxygen storage component.