logo

For the Inventor, By the Inventor

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 10518258 B1

PDFFull Text
Date of Patent:
Dec. 31, 2019

Filed:

May. 16, 2016

Ion exchange membrane

Applicant:

Asahi Kasei Kabushiki Kaisha, Tokyo, JP;

Inventors:

Atsushi Nakajima, Tokyo, JP;

Naoki Sakamoto, Tokyo, JP;

Takuya Morikawa, Tokyo, JP;

Assignee:

ASAHI KASEI KABUSHIKI KAISHA, Tokyo, JP;

Attorney:

Greenblum & Bernstein, P.L.C.

Primary Examiner:

Taiwo Oladapo

Int. Cl.
CPC ...
B01J 39/05 (2017.01); B01J 39/20 (2006.01); B01J 47/12 (2017.01); B32B 27/30 (2006.01); C08J 5/22 (2006.01); C25B 13/08 (2006.01); C08L 33/16 (2006.01);
U.S. Cl.
CPC ...
B01J 39/05 (2017.01); B01J 39/20 (2013.01); B01J 47/12 (2013.01); B32B 27/30 (2013.01); C08J 5/22 (2013.01); C08L 33/16 (2013.01); C25B 13/08 (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 the layer B has a value of an ion cluster diameter distribution M represented by the following formula (B) of greater than 10:=()/(σ)  (B)wherein M represents an ion cluster diameter distribution, arepresents an average ion cluster radius, and σ represents a standard deviation of an ion cluster radius.

Find Patent Forward Citations

Quick Actions:

Nakajima, Atsushi. (2019). Ion exchange membrane (U.S. Patent No. 10518258). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10518258

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…