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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 12521708 B1

PDFFull Text
Date of Patent:
Jan. 13, 2026

Filed:

Jul. 30, 2019

Doped anion exchange membranes (aems) for highly selective separators in electrochemical devices

Applicant:

Washington University, St. Louis, MO (US);

Inventors:

Zhongyang Wang, St. Louis, MO (US);

Shrihari Sankarasubramanian, St. Louis, MO (US);

Vijay K. Ramani, St. Louis, MO (US);

Yunzhu Zhang, St. Louis, MO (US);

Javier Parrondo, St. Louis, MO (US);

Assignee:

Washington University, St. Louis, MO (US);

Attorney:

Armstrong Teasdale LLP

Primary Examiner:

Christina HW. Rosebach

Int. Cl.
CPC ...
B01J 41/14 (2006.01); B01D 61/44 (2006.01); B01D 69/12 (2006.01); B01D 71/26 (2006.01); B01D 71/28 (2006.01); B01D 71/80 (2006.01); B01J 41/07 (2017.01); B01J 47/018 (2017.01); B01J 47/12 (2017.01); C08J 5/22 (2006.01); C08L 53/00 (2006.01); C25B 13/08 (2006.01); H01M 8/0221 (2016.01); H01M 8/0226 (2016.01); H01M 8/18 (2006.01);
U.S. Cl.
CPC ...
B01J 41/14 (2013.01); B01D 61/44 (2013.01); B01D 69/12 (2013.01); B01D 71/26 (2013.01); B01D 71/28 (2013.01); B01D 71/80 (2013.01); B01J 41/07 (2017.01); B01J 47/018 (2017.01); B01J 47/12 (2013.01); C08J 5/2243 (2013.01); C08L 53/005 (2013.01); C25B 13/08 (2013.01); H01M 8/0221 (2013.01); H01M 8/0226 (2013.01); H01M 8/188 (2013.01); C08J 2353/00 (2013.01); C08J 2427/18 (2013.01); H01M 2300/0082 (2013.01); H01M 2300/0091 (2013.01);
Abstract

Anion exchange membranes (AEMs) for separators in electrochemical devices and methods for making same are disclosed herein. AEMs include chloromethylated SEBS triblock copolymer functionalized with TRIS cations and chloromethylated QPEK-C functionalized with TMA cations. Composite AEMs further include metal oxide fillers. Reinforced AEMs and reinforced composite AEMs further include a reinforcement material base.

Find Patent Forward Citations

Wang, Zhongyang. (2026). Doped anion exchange membranes (aems) for highly selective separators in electrochemical devices (U.S. Patent No. 12521708). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12521708

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

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