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:
Aug. 19, 2025
Filed:
Nov. 10, 2020
Applicant:
Arkema France, Colombes, FR;
Inventors:
Assignee:
Arkema France, Puteaux, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 50/426 (2021.01); C08J 5/18 (2006.01); H01M 10/0525 (2010.01); H01M 10/44 (2006.01); H01M 50/449 (2021.01);
U.S. Cl.
CPC ...
C08J 5/18 (2013.01); H01M 10/0525 (2013.01); H01M 10/44 (2013.01); H01M 50/426 (2021.01); H01M 50/449 (2021.01); C08J 2327/16 (2013.01); C08J 2327/20 (2013.01);
Abstract
The invention relates to a fluoropolymer film which makes it possible to manufacture a gelled dense membrane which offers a very good compromise between ionic conductivity and mechanical strength after swelling. This membrane is intended for use as a separator for Li-ion batteries.