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:
Jan. 08, 2019
Filed:
Nov. 21, 2014
Applicant:
Hollingsworth & Vose Company, East Walpole, MA (US);
Inventors:
Randall B. Keisler, Clifton Park, NY (US);
Maxim Silin, Hudson, MA (US);
John A. Wertz, Hollis, NH (US);
Assignee:
Hollingsworth & Vose Company, East Walpole, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 2/16 (2006.01); H01M 10/12 (2006.01);
U.S. Cl.
CPC ...
H01M 2/1613 (2013.01); H01M 10/12 (2013.01);
Abstract
Disclosed are battery separators comprising glass fibers and having a basis weight (gsm), a specific surface area (m/g), a density (gsm/mm) and a mean pore size (μm), which satisfy the equation disclosed herein, provided that: the specific surface area is less than 1.5 m/g, or the density is greater than 180 gsm/mm. Also disclosed are batteries comprising the battery separators, and processes for making the separators.