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:
Feb. 08, 2022
Filed:
Aug. 16, 2018
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Assignee:
LG CHEM, LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 71/02 (2006.01); B29C 55/02 (2006.01); H01M 8/1086 (2016.01);
U.S. Cl.
CPC ...
B29C 71/02 (2013.01); B29C 55/02 (2013.01); H01M 8/109 (2013.01); H01M 8/1093 (2013.01); B29C 2071/022 (2013.01);
Abstract
A post-processing method of a polymer electrolyte membrane, which anneals and stretches a polymer electrolyte membrane including a hydrocarbon-based copolymer in a vapor atmosphere of a solvent.