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.

Date of Patent:
Jun. 23, 2009

Filed:

Aug. 17, 2007
Applicants:

Shau-lin F. Chen, Piscataway, NJ (US);

Harold Rabinowitz, Montclair, NJ (US);

Jin Sakakibara, Edison, NJ (US);

Tian Luo, Piscataway, NJ (US);

Inventors:

Shau-Lin F. Chen, Piscataway, NJ (US);

Harold Rabinowitz, Montclair, NJ (US);

Jin Sakakibara, Edison, NJ (US);

Tian Luo, Piscataway, NJ (US);

Assignee:

BASF Catalysts LLC, Florham Park, NJ (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B01D 53/56 (2006.01); B01D 53/62 (2006.01); B01D 53/72 (2006.01); B01D 53/94 (2006.01); B01J 23/44 (2006.01); B01J 23/46 (2006.01); B01J 35/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A layered, 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. In one or more embodiments, the catalyst comprises three layers in conjunction with a carrier: a first layer deposited on the carrier and comprising palladium deposited on a refractory metal oxide and an oxygen storage component; a second layer deposited on the first layer and comprising rhodium deposited on a refractory metal oxide and an oxygen storage component; and a third layer deposited on the second layer and comprising palladium deposited on a refractory metal oxide.


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