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:
Feb. 05, 2019
Filed:
May. 13, 2016
Applicant:
Ibiden Co., Ltd., Ogaki-shi, Gifu, JP;
Inventor:
Toyohiro Usui, Gifu, JP;
Assignee:
Ibiden Co., Ltd., Gifu, JP;
Primary Examiner:
Int. Cl.
CPC ...
B01J 29/76 (2006.01); B01J 37/30 (2006.01); B01D 53/94 (2006.01); C01B 39/48 (2006.01); F01N 3/10 (2006.01); B01J 35/02 (2006.01); B01J 35/04 (2006.01); B01J 37/00 (2006.01); F01N 3/28 (2006.01); C01B 39/06 (2006.01); C01B 39/14 (2006.01); F01N 3/20 (2006.01);
U.S. Cl.
CPC ...
B01J 29/763 (2013.01); B01D 53/94 (2013.01); B01D 53/9418 (2013.01); B01J 29/76 (2013.01); B01J 35/026 (2013.01); B01J 35/04 (2013.01); B01J 37/0018 (2013.01); B01J 37/30 (2013.01); C01B 39/06 (2013.01); C01B 39/145 (2013.01); C01B 39/48 (2013.01); F01N 3/10 (2013.01); F01N 3/2828 (2013.01); F01N 3/2853 (2013.01); B01D 2255/2065 (2013.01); B01D 2255/20761 (2013.01); B01D 2255/50 (2013.01); C01P 2002/74 (2013.01); C01P 2004/62 (2013.01); F01N 3/2066 (2013.01); F01N 3/281 (2013.01); F01N 2330/06 (2013.01); F01N 2370/04 (2013.01); F01N 2510/063 (2013.01);
Abstract
There is provided a zeolite which has excellent NOx purifying performance, particularly excellent NOx purifying performance after heat endurance. The zeolite has a CHA structure in which Cu and Ce are carried, and has a Cu/Al molar ratio of 0.25 to 0.48 and a Ce/Al molar ratio of 0.01 to 0.03.