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:
Sep. 09, 2020
Applicant:
Ngk Insulators, Ltd., Nagoya, JP;
Inventors:
Makoto Miyahara, Nagoya, JP;
Kenichi Noda, Nagoya, JP;
Assignee:
NGK Insulators, Ltd., Nagoya, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 53/22 (2006.01); B01D 69/10 (2006.01); B01D 67/00 (2006.01); B01D 69/12 (2006.01); B01D 69/14 (2006.01); B01D 71/02 (2006.01);
U.S. Cl.
CPC ...
B01D 69/105 (2013.01); B01D 67/0051 (2013.01); B01D 69/122 (2013.01); B01D 69/145 (2013.01); B01D 71/027 (2013.01); B01D 2325/10 (2013.01);
Abstract
A support is a porous ceramic support for supporting a zeolite membrane. The hydraulic conductivity of the support is less than or equal to 1.1×10m/s. In the support, the total content of alkali metal and alkaline earth metal in a surface part within 30 μm from a surface in a depth direction perpendicular to the surface is less than or equal to 1% by weight.