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:
Aug. 25, 2020
Filed:
Jun. 01, 2017
Applicant:
Jgc Catalysts and Chemicals Ltd., Kawasaki-shi, Kanagawa, JP;
Inventors:
Assignee:
JGC CATALYSTS AND CHEMICALS LTD., Kanagawa, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 29/70 (2006.01); C01B 39/02 (2006.01); B01J 29/76 (2006.01); B01J 35/10 (2006.01); B01J 37/10 (2006.01);
U.S. Cl.
CPC ...
B01J 29/763 (2013.01); B01J 29/7015 (2013.01); B01J 35/1019 (2013.01); B01J 35/1038 (2013.01); B01J 37/10 (2013.01); C01B 39/026 (2013.01); B01J 2229/16 (2013.01); B01J 2229/36 (2013.01); C01P 2002/04 (2013.01); C01P 2002/77 (2013.01); C01P 2006/12 (2013.01); C01P 2006/13 (2013.01); C01P 2006/14 (2013.01);
Abstract
Chabazite zeolites have a problem of low hydrothermal resistance. By steam treating a chabazite zeolite having a silica-alumina ratio and a crystallinity that are within certain ranges, a chabazite zeolite having a high crystallinity and a high hydrothermal resistance can be obtained.