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. 14, 1989
Filed:
Dec. 14, 1987
John F Jackovitz, Monroeville Boro, PA (US);
Hilary Moyes, Penn Hills Township, Allegheny County, PA (US);
Edward S Buzzelli, Murrysville, PA (US);
Westinghouse Electric Corp., Pittsburgh, PA (US);
Abstract
A silver-iron battery is made comprising a case 14 and a cover 15 within which are disposed at least one silver electrode 11, at least one iron electrode 12, a separator system 13 between the electrodes and an alkaline electrolyte, where the separator system contains at least a layer of low density polyethylene, having a density of from about 0.91 g./cm.sup.3 to about 0.92 g./cm.sup.3, graft co-polymerized with an acrylic material, disposed next to the silver electrodes, and at least a layer of high density polyethylene, having a density of from about 0.95 g./cm.sup.3 to about 0.96 g./cm.sup.3, graft co-polymerized with an acrylic material, disposed next to the iron electrodes, and where a layer of cellophane can also be included next to the low density polyethylene and a middle layer of low density polyethylene and be included between the cellophane and the high density polyethylene.