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:
Nov. 27, 2012
Filed:
Oct. 29, 2008
Applicants:
Takuji Nakane, Himeji, JP;
Naohiro Kato, Himeji, JP;
Akihisa Okumura, Himeji, JP;
Inventors:
Assignees:
ICT Co., Ltd., Osaka-Shi, Osaka, JP;
International Catalyst Technology, Inc., Auburn Hills, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01J 23/00 (2006.01); B01J 23/10 (2006.01); B01J 29/06 (2006.01); B01J 23/32 (2006.01); B01J 23/70 (2006.01); B01J 23/74 (2006.01); B01J 23/48 (2006.01); B01J 8/02 (2006.01); B01J 8/00 (2006.01); B01D 53/56 (2006.01); B01D 53/94 (2006.01); B01D 53/86 (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);
U.S. Cl.
CPC ...
Abstract
The present invention provides a catalyst which can sufficiently remove nitrogen oxides in an exhaust gas. The catalyst for removing nitrogen oxides to achieve an object of the present invention includes a monolithic support which is coated with a lower layer containing a catalytic component A comprising cerium oxide and an upper layer containing a catalytic component B comprising at least one kind of metal selected from a group consisting of copper, manganese, iron, cobalt and nickel or a compound thereof, and zeolite.