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:
Aug. 26, 1986
Filed:
Sep. 28, 1984
Applicant:
Inventors:
William G Howard, St. Paul, MN (US);
David R Berberick, Maple Grove, MN (US);
Assignee:
Medtronic, Inc., Minneapolis, MN (US);
Primary Examiner:
Int. Cl.
CPC ...
H01M / ;
U.S. Cl.
CPC ...
429105 ; 429196 ; 429199 ;
Abstract
A nonaqueous cell comprising an active metal anode, such as a lithium, sodium, potassium, calcium or alloys, a liquid cathode-electrolyte comprising a solute dissolved in a solvent which, in a preferred aspect, is an oxyhalide of an element of Group V or Group VI of the Periodic Table and wherein the surface of the anode contacting the cathode-electrolyte is coated with a polymeric film having ether linkages. In a preferred practice of the present invention, the anode is coated with polyethersulfone.