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.

Date of Patent:
May. 24, 2022

Filed:

Apr. 19, 2018
Applicant:

Dankook University Cheonan Campus Industry Academic Cooperation Foundation, Cheonan-si, KR;

Inventors:

Chang Hyun Lee, Seongnam-si, KR;

Jin Pyo Hwang, Cheonan-si, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J 5/22 (2006.01); B01J 41/13 (2017.01); B01J 41/14 (2006.01); B01D 61/44 (2006.01); B01D 69/10 (2006.01); B01D 69/12 (2006.01); B01D 71/26 (2006.01); B01D 71/36 (2006.01); B01D 71/48 (2006.01); B01D 71/56 (2006.01); B01D 71/64 (2006.01); B01D 71/66 (2006.01); B01J 39/20 (2006.01);
U.S. Cl.
CPC ...
C08J 5/2293 (2013.01); B01D 61/44 (2013.01); B01D 69/10 (2013.01); B01D 69/12 (2013.01); B01D 71/26 (2013.01); B01D 71/36 (2013.01); B01D 71/48 (2013.01); B01D 71/56 (2013.01); B01D 71/64 (2013.01); B01D 71/66 (2013.01); B01J 41/13 (2017.01); B01J 41/14 (2013.01); C08J 5/2281 (2013.01); B01J 39/20 (2013.01); C08J 2327/18 (2013.01);
Abstract

The present inventive concept relates to a chemically modified anion exchange membrane and a method of preparing the same and, more particularly, an anion exchange membrane in which sulfonic acid groups in a perfluorinated sulfonic acid electrolyte membrane are substituted with anion conductive groups such as ammonium group, phosphonium group, imidazolium group, pyridinium group and sulfonium group, and a method of preparing an anion exchange membrane by chemically modifying sulfonic acid groups in a perfluorinated sulfonic acid electrolyte membrane.


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