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. 02, 2022
Filed:
Aug. 11, 2021
Applicant:
Ngk Insulators, Ltd., Nagoya, JP;
Inventors:
Kenichi Noda, Nagoya, JP;
Makoto Miyahara, Tajimi, JP;
Assignee:
NGK Insulators, Ltd., Nagoya, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 67/00 (2006.01); B01D 53/22 (2006.01); B01D 69/10 (2006.01); B01D 71/02 (2006.01); C01B 39/48 (2006.01);
U.S. Cl.
CPC ...
B01D 67/0051 (2013.01); B01D 53/228 (2013.01); B01D 69/10 (2013.01); B01D 71/028 (2013.01); C01B 39/48 (2013.01); C01P 2004/51 (2013.01); C01P 2004/62 (2013.01);
Abstract
In production of a zeolite membrane complex, a starting material solution containing at least a structure-directing agent and FAU-type zeolite particles having an average particle diameter of 50 to 500 nm is prepared. Then, a support is immersed in the starting material solution to form a zeolite membrane on the support by hydrothermal synthesis, the zeolite membrane being composed of AFX-type zeolite. After that, the structure-directing agent in the zeolite membrane is removed.