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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 12489130 B1

PDFFull Text
Date of Patent:
Dec. 02, 2025

Filed:

Mar. 05, 2021

Fluoropolymer comprising pendent groups with ionic bis(sulfonyl)imide moiety and perfluoroether terminal group

Applicant:

3m Innovative Properties Company, St. Paul, MN (US);

Inventors:

Matthew J. Lindell, Woodbury, MN (US);

Michael A. Yandrasits, Hastings, MN (US);

Andrew T. Haug, Woodbury, MN (US);

Assignee:

3M Innovative Properties Company, St. Paul, MN (US);

Attorney:

Carolyn A. Fischer

Primary Examiner:

Karuna P Reddy

Int. Cl.
CPC ...
C08F 8/34 (2006.01); C08F 8/44 (2006.01); C08F 214/26 (2006.01); C08G 65/00 (2006.01); C08G 65/334 (2006.01); H01M 8/1027 (2016.01); H01M 8/103 (2016.01); H01M 8/1032 (2016.01); H01M 8/1039 (2016.01); H01M 8/10 (2016.01);
U.S. Cl.
CPC ...
H01M 8/1039 (2013.01); C08F 8/34 (2013.01); C08F 8/44 (2013.01); C08F 214/262 (2013.01); C08G 65/007 (2013.01); C08G 65/3348 (2013.01); H01M 8/1027 (2013.01); H01M 8/103 (2013.01); H01M 8/1032 (2013.01); C08G 2650/48 (2013.01); H01M 2008/1095 (2013.01);
Abstract

A fluoropolymer is described comprising pendent groups having the formula: —(CF)—(OCF)—(OCF)—SO—[NX—SO(CF)—SO]—NX—SO—Rf wherein Rf is a perfluoroether and Xand Xare independently cationic counterions. Also described are various articles including catalyst ink, polymer electrolyte membranes, and membrane electrode assemblies comprising the fluoropolymer described herein; as well as a method of making a fluoropolymer.

Find Patent Forward Citations

Lindell, Matthew. (2025). Fluoropolymer comprising pendent groups with ionic bis(sulfonyl)imide moiety and perfluoroether terminal group (U.S. Patent No. 12489130). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12489130

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

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