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.

Date of Patent:
Dec. 12, 2023

Filed:

Nov. 22, 2021
Applicant:

Daramic, Llc, Charlotte, NC (US);

Inventors:

Jeffrey K. Chambers, Philpot, KY (US);

Tejas R. Shah, Burlington, MA (US);

Assignee:

Daramic, LLC, Charlotte, NC (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L 89/00 (2006.01); H01M 10/10 (2006.01); H01M 50/446 (2021.01);
U.S. Cl.
CPC ...
C08L 89/00 (2013.01); H01M 10/10 (2013.01); H01M 50/446 (2021.01);
Abstract

In accordance with at least certain embodiments of the present invention, a novel concept of utilizing PIMS minerals as a filler component within a microporous lead-acid battery separator is provided. In accordance with more particular embodiments or examples, the PIMS mineral (preferably fish meal, a bio-mineral) is provided as at least a partial substitution for the silica filler component in a silica filled lead acid battery separator (preferably a polyethylene/silica separator formulation). In accordance with at least selected embodiments, the present invention is directed to new or improved batteries, separators, components, and/or compositions having heavy metal removal capabilities and/or methods of manufacture and/or methods of use thereof.


Find Patent Forward Citations

Loading…