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:
Mar. 31, 1987
Filed:
Mar. 24, 1986
Applicant:
Inventors:
Menahem Anderman, Boyds, MD (US);
Joseph T Lundquist, Jessup, MD (US);
Assignee:
W. R. Grace & Co., New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M / ;
U.S. Cl.
CPC ...
429209 ; 429212 ; 429232 ; 429218 ; 429137 ;
Abstract
A cathodic electrode product comprising a substantially unitary, microporous structure wherein each major surface of said structure is a composition of an inert filler in a polyolefin matrix, the inner core of said structure is a composition of from 70-98 weight percent of electrochemically active and electrically conductive particulate material, from 2-30 weight percent polyethylene and from 0 to 5 weight percent polyethylene plasticizer and a current collector in contact and extend from the inner core composition.