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:
Nov. 08, 2022
Filed:
Sep. 14, 2018
3m Innovative Properties Company, St. Paul, MN (US);
Lisa P. Chen, St. Paul, MN (US);
Gregg D. Dahlke, St. Paul, MN (US);
Denis Duchesne, Woodbury, MN (US);
Steven J. Hamrock, Stillwater, MN (US);
Klaus Hintzer, Kastl, DE;
Markus E. Hirschberg, Mühldorf, DE;
Arne Thaler, Emmerting, DE;
Tilman C. Zipplies, Burghausen, DE;
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
The copolymer includes divalent units represented by formula —[CF—CF]—, divalent units represented by formula; and one or more divalent units independently represented by formula: The copolymer has an —SOX equivalent weight in a range from 300 to 2000. A polymer electrolyte membrane that includes the copolymer and a membrane electrode assembly that includes such a polymer electrolyte membrane are also provided.