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. 29, 2023
Filed:
Jun. 20, 2018
Applicant:
Daramic, Llc, Charlotte, NC (US);
Inventors:
J. Kevin Whear, Utica, KY (US);
Eric H. Miller, Philpot, KY (US);
Naoto Miyake, Newburgh, IN (US);
Joerg Deiters, Ettenheim, DE;
Assignee:
Daramic, LLC, Charlotte, NC (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 50/463 (2021.01); H01M 50/446 (2021.01); H01M 50/454 (2021.01); H01M 50/451 (2021.01); H01M 10/06 (2006.01);
U.S. Cl.
CPC ...
H01M 50/463 (2021.01); H01M 50/446 (2021.01); H01M 50/451 (2021.01); H01M 50/454 (2021.01); H01M 10/06 (2013.01);
Abstract
Disclosed herein are improved separators for lead acid batteries. The separators may include a porous membrane, a rubber, and at least one performance enhancing additive, positive and/or negative ribs, and/or lowered acid leachable total organic carbon.