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:
Feb. 27, 2024
Filed:
Mar. 12, 2020
Applicant:
Nitto Denko Corporation, Ibaraki, JP;
Inventors:
Kazuya Yoshimura, Ibaraki, JP;
Daiki Iwasaki, Ibaraki, JP;
Naomichi Kimura, Ibaraki, JP;
Shinya Nishiyama, Ibaraki, JP;
Assignee:
NITTO DENKO CORPORATION, Ibaraki, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 53/22 (2006.01); B01D 69/14 (2006.01); B01D 71/02 (2006.01); B01D 71/70 (2006.01); B01D 71/52 (2006.01); B01D 69/12 (2006.01); B82Y 30/00 (2011.01);
U.S. Cl.
CPC ...
B01D 53/228 (2013.01); B01D 69/1218 (2022.08); B01D 69/148 (2013.01); B01D 69/14111 (2022.08); B01D 71/021 (2013.01); B01D 71/027 (2013.01); B01D 71/5211 (2022.08); B01D 71/5222 (2022.08); B01D 71/701 (2022.08); B01D 2257/504 (2013.01); B82Y 30/00 (2013.01);
Abstract
The present invention provides a separation membrane that is suitable for separating an acid gas from a gas mixture containing the acid gas and has a high acid gas permeability. A separation membrane () of the present invention includes: a separation functional layer (); a porous support member () supporting the separation functional layer (); and an intermediate layer () disposed between the separation functional layer () and the porous support member (), and including a matrix () and nanoparticles () dispersed in the matrix ().