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:
Oct. 13, 1998
Charles Austen Angell, Mesa, AZ (US);
Kang Xu, Montgomery Village, MD (US);
Igor P. Kovalev, Tucson, AZ (US);
Terje A. Skotheim, Tucson, AZ (US);
Moltech Corporation, Tucson, AZ (US);
Abstract
The present invention pertains to non-aqueous electrolyte solvents which comprise a non-symmetrical, non-cyclic sulfone and which are suitable for use in secondary electric current producing cells. The present invention also pertains to electrolyte elements comprising such solvents, electric current producing cells comprising such electrolyte elements, and methods for making such electric current producing cells. More particularly, the present invention pertains to electrolyte elements comprising a non-aqueous electrolyte solvent, which solvent comprises a non-symmetrical, non-cyclic sulfone of the general formula R,—SO,—R,, wherein R,and R,are independently linear or branched alkyl or partially or fully fluorinated linear or branched alkyl groups having 1 to 7 carbon atoms, wherein R,and R,are different, and wherein —SO,— denotes the sulfone group.