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:
May. 20, 2025
Filed:
Sep. 06, 2022
Applicant:
Ngk Insulators, Ltd., Nagoya, JP;
Inventor:
Kenichi Noda, Nagoya, JP;
Assignee:
NGK INSULATORS, LTD., Nagoya, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D 71/02 (2006.01); B01D 53/22 (2006.01); B01D 67/00 (2006.01); B01D 69/02 (2006.01); C07C 7/144 (2006.01);
U.S. Cl.
CPC ...
B01D 71/0281 (2022.08); B01D 53/228 (2013.01); B01D 67/0051 (2013.01); B01D 71/02 (2013.01); C07C 7/144 (2013.01); B01D 2323/12 (2013.01); B01D 2323/24 (2013.01); B01D 2323/48 (2013.01);
Abstract
A zeolite membrane complex includes a porous support, and a zeolite membrane formed on the support and composed of an 8-membered ring zeolite. The zeolite membrane is selectively permeable to hydrogen sulfide rather than nitrogen for a gas containing nitrogen and hydrogen sulfide.