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:
Nov. 24, 1987
Filed:
Mar. 24, 1986
Applicant:
Inventors:
Maurice E Fitzgerald, Havertown, PA (US);
David M Braunstein, Berwyn, PA (US);
Saulius A Alkaitis, Venice, CA (US);
Naum Pinsky, Thousand Oaks, CA (US);
Assignee:
Ensci, Inc., Chatsworth, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M / ; H01M / ;
U.S. Cl.
CPC ...
429210 ; 429212 ; 429217 ; 429228 ;
Abstract
A battery element useful as at least a portion of the positive plates in a lead-acid battery comprises: an acid resistant substrate at least partially coated with an electrically conductive coating; and a fluid impervious matrix layer having mutually opposing first and second surfaces situated such that at least a portion of the coated substrate is embedded in the matrix layer which comprises polymer having increased polarity relative to polypropylene. This battery element may also be used in the bipolar plates of a lead-acid battery.