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:
Jun. 12, 2001
Filed:
Dec. 15, 1998
Applicant:
Inventors:
David M. Spillman, Tonawanda, NY (US);
Hong Gan, East Amherst, NY (US);
Esther S. Takeuchi, East Amherst, NY (US);
Assignee:
Wilson Greatbatch Ltd., Clarence, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 1/040 ;
U.S. Cl.
CPC ...
H01M 1/040 ;
Abstract
A rechargeable alkali metal electrochemical cell, and preferably a lithium-ion secondary cell, constructed of low magnetic susceptibility materials, is described. The non-magnetic characteristics enable the secondary cell to be used within the confines of a Magnetic Resonance Imaging system. The cell includes an electrolyte solution comprising ethylene carbonate, dimethyl carbonate, ethylmethyl carbonate and diethyl carbonate.