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. 01, 2015
Filed:
Sep. 26, 2011
Applicants:
Xinyi Wei, Princeton, NJ (US);
Stanley A. Roth, Yardley, PA (US);
Inventors:
Xinyi Wei, Princeton, NJ (US);
Stanley A. Roth, Yardley, PA (US);
Assignee:
BASF Corporation, Florham Park, NJ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D 53/94 (2006.01); B01J 29/068 (2006.01); F01N 3/035 (2006.01); B01J 19/24 (2006.01); B01J 23/44 (2006.01); B01J 29/74 (2006.01); B01J 35/04 (2006.01); B01J 37/00 (2006.01); B01J 37/02 (2006.01); F01N 3/10 (2006.01);
U.S. Cl.
CPC ...
B01J 19/2485 (2013.01); B01D 53/944 (2013.01); B01J 23/44 (2013.01); B01J 29/7415 (2013.01); B01J 35/04 (2013.01); B01J 37/0036 (2013.01); B01J 37/0045 (2013.01); B01J 37/0221 (2013.01); B01J 37/0242 (2013.01); B01J 37/0244 (2013.01); B01J 37/0246 (2013.01); B01J 37/0248 (2013.01); F01N 3/103 (2013.01); B01D 2255/102 (2013.01); B01D 2255/1021 (2013.01); B01D 2255/1023 (2013.01); B01D 2255/502 (2013.01); B01D 2255/504 (2013.01); B01D 2255/9202 (2013.01); B01D 2258/012 (2013.01); B01J 2219/2407 (2013.01); B01J 2219/2428 (2013.01);
Abstract
A diesel oxidation catalyst for the treatment of exhaust gas emissions, such as the oxidation of unburned hydrocarbons (HC) and carbon monoxide (CO) is described. Also described is a novel washcoat composition including a surface-coated zeolite coated with at least one of zirconia and alumina, and a platinum group metal supported on a high surface area alumina.