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. 19, 2015
Filed:
Mar. 11, 2014
Applicant:
Basf Corporation, Florham Park, NJ (US);
Inventors:
Olga Gerlach, Ludwigshafen, DE;
Andreas Sundermann, Bensheim, DE;
Jeffrey B. Hoke, North Brunswick, NJ (US);
Assignee:
BASF CORPORATION, Florham Park, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 29/74 (2006.01); B01D 53/94 (2006.01); B01J 29/74 (2006.01); B01J 23/42 (2006.01); B01J 23/44 (2006.01); B01J 29/70 (2006.01); B01J 35/02 (2006.01); B01J 35/04 (2006.01); B01J 35/08 (2006.01); B01J 37/02 (2006.01);
U.S. Cl.
CPC ...
B01J 29/7415 (2013.01); B01D 53/945 (2013.01); B01J 23/42 (2013.01); B01J 23/44 (2013.01); B01J 29/7007 (2013.01); B01J 35/023 (2013.01); B01J 35/04 (2013.01); B01J 35/08 (2013.01); B01J 37/0215 (2013.01); B01D 2255/102 (2013.01); B01D 2255/2047 (2013.01); B01D 2255/2063 (2013.01); B01D 2255/2065 (2013.01); B01D 2255/20707 (2013.01); B01D 2255/2092 (2013.01); B01D 2255/30 (2013.01); B01D 2255/502 (2013.01); B01D 2255/504 (2013.01); B01D 2255/9202 (2013.01); Y02T 10/22 (2013.01);
Abstract
Described are catalyst compositions, catalytic articles, exhaust gas treatment systems and methods that utilize the catalytic articles. The catalyst composition comprises a washcoat including a zeolite, refractory metal oxide support particles, and a platinum group metal supported on the refractory metal oxide support particles. Greater than 90% of the refractory metal oxide particles supporting PGM have a particle size greater than 1 μm and a dless than 40 microns.