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:
Mar. 17, 2026
Filed:
Aug. 18, 2021
Applicant:
W. L. Gore & Associates, Inc., Newark, DE (US);
Inventors:
Joshua Bartels, Flagstaff, AZ (US);
Navya Jagarlamudi, Flagstaff, AZ (US);
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 8/1004 (2016.01); B01D 69/12 (2006.01); C25B 11/055 (2021.01); C25B 11/089 (2021.01); H01M 4/86 (2006.01); H01M 4/88 (2006.01); H01M 4/92 (2006.01); H01M 4/96 (2006.01); H01M 8/1039 (2016.01); H01M 8/1048 (2016.01); H01M 8/1067 (2016.01); H01M 8/18 (2006.01);
U.S. Cl.
CPC ...
H01M 8/1004 (2013.01); B01D 69/1216 (2022.08); C25B 11/055 (2021.01); C25B 11/089 (2021.01); H01M 4/8605 (2013.01); H01M 4/8892 (2013.01); H01M 4/926 (2013.01); H01M 4/96 (2013.01); H01M 8/1039 (2013.01); H01M 8/1048 (2013.01); H01M 8/1067 (2013.01); H01M 8/188 (2013.01); H01M 2300/0082 (2013.01);
Abstract
This disclosure relates to polymer electrolyte membranes, and in particular, to a composite membrane having at least two reinforcing layers comprising a microporous polymer structure and a surprisingly high resistance to piercing. This disclosure also relates to composite membrane-assemblies and electrochemical devices comprising the composite membranes of the disclosure, and to methods of manufacture of the composite membranes.