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.:
Date of Patent:
Dec. 02, 2025
Filed:
Mar. 05, 2021
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:
Primary Examiner:
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.