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:
Jun. 23, 2020
Filed:
Jul. 26, 2017
Applicant:
Mitsui Mining & Smelting Co., Ltd., Tokyo, JP;
Inventors:
Assignee:
Mitsui Mining & Smelting Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 29/85 (2006.01); B01J 20/18 (2006.01); B01J 29/70 (2006.01); F01N 3/10 (2006.01); B01D 53/92 (2006.01); F01N 3/08 (2006.01); B01D 53/94 (2006.01); B01J 20/28 (2006.01);
U.S. Cl.
CPC ...
B01J 29/85 (2013.01); B01D 53/92 (2013.01); B01D 53/94 (2013.01); B01J 20/18 (2013.01); B01J 20/28 (2013.01); B01J 29/70 (2013.01); B01J 29/7007 (2013.01); B01J 29/7057 (2013.01); F01N 3/08 (2013.01); F01N 3/10 (2013.01); B01D 2255/502 (2013.01); B01D 2255/912 (2013.01); B01D 2257/702 (2013.01); B01D 2258/01 (2013.01); F01N 2330/06 (2013.01); F01N 2370/04 (2013.01);
Abstract
An exhaust gas purifying composition of the present invention contains zeolite that is BEA zeolite having an SiO/AlOmolar ratio of greater than 25 and 600 or less and containing phosphorus. Furthermore, the exhaust gas purifying composition preferably contains zirconium in addition to phosphorus. Furthermore, the zeolite has an SiO/AlOmolar ratio of from 30 to 150. The present invention provides an exhaust gas purifying composition having excellent HC adsorbability for exhaust gas purification in internal combustion engines such as gasoline engines.