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:
Jul. 15, 2025
Filed:
Mar. 30, 2021
Applicant:
Tosoh Corporation, Yamaguchi, JP;
Inventors:
Assignee:
TOSOH CORPORATION, Yamaguchi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 53/02 (2006.01); B01D 53/92 (2006.01); B01J 20/04 (2006.01); B01J 20/18 (2006.01); B01J 20/32 (2006.01);
U.S. Cl.
CPC ...
B01J 20/186 (2013.01); B01D 53/02 (2013.01); B01D 53/92 (2013.01); B01J 20/04 (2013.01); B01J 20/3204 (2013.01); B01J 20/3236 (2013.01); B01D 2253/1085 (2013.01); B01D 2257/702 (2013.01); B01D 2258/01 (2013.01); B01J 2220/42 (2013.01);
Abstract
A composition is provided that has heat resistance sufficient for use as a hydrocarbon adsorbent and desorbs hydrocarbons slowly with respect to an increase in temperature. The composition includes an alkali metal and a zeolite having a YFI structure. A content of the alkali metal is 1 to 40 mass % based on a total mass of the composition, and a content of the zeolite having a YFI structure is 99 to 60 mass % based on the total mass of the composition.