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:
Nov. 26, 2019
Filed:
Apr. 24, 2017
Applicant:
Ngk Insulators, Ltd., Nagoya-Shi, JP;
Inventors:
Makoto Miyahara, Nagoya, JP;
Kenichi Noda, Nagoya, JP;
Makiko Ichikawa, Nagoya, JP;
Takeshi Hagio, Nagoya, JP;
Assignee:
NGK Insulators, Ltd., Nagoya, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 71/02 (2006.01); B01D 69/12 (2006.01); C01B 39/38 (2006.01); C01B 39/46 (2006.01); B01D 67/00 (2006.01); B01D 69/02 (2006.01); C01B 39/14 (2006.01);
U.S. Cl.
CPC ...
B01D 71/028 (2013.01); B01D 67/0046 (2013.01); B01D 69/02 (2013.01); B01D 69/12 (2013.01); B01D 69/125 (2013.01); B01D 71/022 (2013.01); C01B 39/14 (2013.01); C01B 39/38 (2013.01); C01B 39/46 (2013.01); B01D 71/027 (2013.01); B01D 2325/04 (2013.01); B01D 2325/16 (2013.01);
Abstract
A separation membrane structure includes a porous support, a first separation membrane and a second separation membrane. The first separation membrane is formed on the porous support and contains high silica zeolite having Si/Al atomic ratio of greater than or equal to 200. The second separation membrane is formed on the first separation membrane and contains cation.