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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.:

US 10413896 B1

PDFFull Text
Date of Patent:
Sep. 17, 2019

Filed:

May. 16, 2016

Ion exchange membrane

Applicant:

Asahi Kasei Kabushiki Kaisha, Tokyo, JP;

Inventors:

Atsushi Nakajima, Tokyo, JP;

Yasuo Ajisaka, Tokyo, JP;

Yoshifumi Kado, Tokyo, JP;

Naoki Sakamoto, Tokyo, JP;

Assignee:

ASAHI KASEI KABUSHIKI KAISHA, Tokyo, JP;

Attorney:

Greenblum & Bernstein, P.L.C.

Primary Examiner:

Michael Bernshteyn

Int. Cl.
CPC ...
B01J 39/26 (2006.01); B01J 47/12 (2017.01); B32B 27/30 (2006.01); C25B 13/02 (2006.01); C25B 13/08 (2006.01); C25B 9/00 (2006.01); C08J 5/22 (2006.01); C25B 1/46 (2006.01); B01J 39/20 (2006.01);
U.S. Cl.
CPC ...
B01J 39/20 (2013.01); B01J 47/12 (2013.01); B32B 27/30 (2013.01); C08J 5/2237 (2013.01); C25B 1/46 (2013.01); C25B 9/00 (2013.01); C25B 13/02 (2013.01); C25B 13/08 (2013.01); C08J 2327/12 (2013.01); C08J 2327/18 (2013.01);
Abstract

The ion exchange membrane according to the present invention comprises a layer A comprising a fluorine-containing polymer having a sulfonic acid group and a layer B comprising a fluorine-containing polymer having a carboxylic acid group, wherein an ion exchange capacity of the layer B is 0.81 mEq/g or more, and a value of (an ion cluster diameter of the layer B)/(an ion cluster diameter of the layer A) is 0.67 to 0.89.

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Nakajima, Atsushi. (2019). Ion exchange membrane (U.S. Patent No. 10413896). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10413896

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