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:
May. 10, 2016
Filed:
Mar. 12, 2014
Applicant:
Basf Corporation, Florham Park, NJ (US);
Inventors:
M. Shahjahan Kazi, Kendall Park, NJ (US);
Fabien A. Rioult, Garwood, NJ (US);
Stanley A. Roth, Yardley, PA (US);
Kenneth E. Voss, Somerville, NJ (US);
Assignee:
BASF Corporation, Florham Park, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 53/94 (2006.01); B01J 8/02 (2006.01); C01B 21/00 (2006.01); C01B 23/00 (2006.01); C01B 25/00 (2006.01); C01B 31/00 (2006.01); C01B 33/00 (2006.01); C01B 35/00 (2006.01); C01G 28/00 (2006.01); C01G 30/00 (2006.01); B01D 50/00 (2006.01); B01J 23/00 (2006.01); B01J 23/02 (2006.01); B01J 23/08 (2006.01); B01J 23/40 (2006.01); B01J 23/42 (2006.01); B01J 23/44 (2006.01); B01J 23/56 (2006.01); B01J 23/58 (2006.01); B01J 21/04 (2006.01); B01J 35/00 (2006.01); B01J 23/63 (2006.01); F01N 3/10 (2006.01); B01J 37/02 (2006.01); B01J 35/04 (2006.01); B01J 35/10 (2006.01);
U.S. Cl.
CPC ...
B01J 23/44 (2013.01); B01D 53/944 (2013.01); B01D 53/945 (2013.01); B01D 53/9454 (2013.01); B01D 53/9472 (2013.01); B01J 23/58 (2013.01); B01J 23/63 (2013.01); B01J 35/0006 (2013.01); B01J 37/0248 (2013.01); F01N 3/103 (2013.01); B01D 2255/1021 (2013.01); B01D 2255/1023 (2013.01); B01D 2255/9032 (2013.01); B01D 2258/012 (2013.01); B01J 35/04 (2013.01); B01J 35/10 (2013.01); B01J 35/1033 (2013.01); B01J 35/1061 (2013.01); B01J 37/0219 (2013.01); B01J 37/0234 (2013.01); B01J 37/0244 (2013.01); B01J 2523/00 (2013.01); F01N 2510/0682 (2013.01); Y02T 10/22 (2013.01);
Abstract
An oxidation catalyst composite, methods, and systems for the treatment of exhaust gas emissions from a diesel engine are described. More particularly, an oxidation catalyst composite including a zoned diesel oxidation catalyst with a first washcoat zone with a Pt/Pd ratio that is less than 3:1 and a PGM loading at least twice that of a second washcoat zone.