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 12291615 B1

PDFFull Text
Date of Patent:
May. 06, 2025

Filed:

Aug. 21, 2020

Proton exchange membrane made of a crystalline sulfonated polyimide block copolymer, preparation method and use thereof

Applicants:

Shanghai Jiao Tong University, Shanghai, CN;

Jiangsu Leader New Material Co., Ltd., Wuxi, CN;

Inventors:

Jianhua Fang, Shanghai, CN;

Xiaoxia Guo, Shanghai, CN;

Jingjing Tong, Shanghai, CN;

Assignees:

SHANGHAI JIAO TONG UNIVERSITY, Shanghai, CN;

JIANGSU LEADER NEW MATERIAL CO., LTD., Jiangsu, CN;

Attorneys:

Bochner PLLC

Andrew Bochner

Eric Kleinertz

Primary Examiner:

Fred M Teskin

Int. Cl.
CPC ...
C08J 5/22 (2005.12); C08G 73/10 (2005.12); H01M 8/103 (2015.12); H01M 8/1072 (2015.12);
U.S. Cl.
CPC ...
C08J 5/2256 (2012.12); C08G 73/1042 (2012.12); C08G 73/1075 (2012.12); H01M 8/103 (2012.12); H01M 8/1072 (2012.12); C08J 2379/08 (2012.12);
Abstract

Disclosed are a proton exchange membrane made of a crystalline sulfonated polyimide block copolymer, a preparation method and use thereof. The crystalline sulfonated polyimide block copolymer has a chemical structure as shown in Formula (I), in which Ar1 group is an aromatic group containing a naphthyl group, Ar2 group is an aromatic group containing at least one sulfonate group, and x is in the range of 5-100, m is in the range of 1-200, and n is in the range of 5-500.

Find Patent Forward Citations

Fang, Jianhua. (2025). Proton exchange membrane made of a crystalline sulfonated polyimide block copolymer, preparation method and use thereof (U.S. Patent No. 12291615). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12291615

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

Loading…