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:
Dec. 15, 2020
Filed:
Dec. 13, 2018
Applicant:
Asahi Kasei Kabushiki Kaisha, Tokyo, JP;
Inventors:
Koji Okamoto, Tokyo, JP;
Kazuya Takahashi, Tokyo, JP;
Assignee:
ASAHI KASEI KABUSHIKI KAISHA, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J 5/22 (2006.01); B01D 69/12 (2006.01); C25B 1/16 (2006.01); C25B 1/26 (2006.01); C25B 9/10 (2006.01); C25B 13/08 (2006.01); B01D 71/02 (2006.01); C25B 9/08 (2006.01); C25B 1/46 (2006.01); B01D 69/14 (2006.01); B01D 71/32 (2006.01); C08J 7/04 (2020.01);
U.S. Cl.
CPC ...
C08J 5/225 (2013.01); B01D 69/12 (2013.01); B01D 69/148 (2013.01); B01D 71/024 (2013.01); B01D 71/32 (2013.01); C08J 5/2237 (2013.01); C08J 5/2293 (2013.01); C08J 7/0423 (2020.01); C08J 7/0427 (2020.01); C25B 1/16 (2013.01); C25B 1/26 (2013.01); C25B 1/46 (2013.01); C25B 9/08 (2013.01); C25B 9/10 (2013.01); C25B 13/08 (2013.01); B01D 2323/26 (2013.01); B01D 2323/36 (2013.01); B01D 2325/22 (2013.01); B01D 2325/30 (2013.01); B01D 2325/42 (2013.01); C08J 2327/18 (2013.01); C08J 2427/18 (2013.01);
Abstract
An ion exchange membrane includes: a membrane main body including a fluorine-containing polymer having an ion exchange group; and a coating layer arranged on at least one face of the membrane main body; wherein the coating layer includes inorganic particles and a binder, a mass ratio of the binder to the total mass of the inorganic particles and the binder in the coating layer is more than 0.3 and 0.9 or less, and a surface roughness of the coating layer is 1.20 μm or more.