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. 26, 2002
Filed:
Aug. 25, 1998
Applicant:
Inventors:
Alan David Fanta, Minneapolis, MN (US);
Phat tan Pham, Little Canada, MN (US);
Steven Joseph Hamrock, St. Paul, MN (US);
Assignee:
3M Innovative Properties Company, St. Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 1/040 ; C07C / ; C07C / ;
U.S. Cl.
CPC ...
H01M 1/040 ; C07C / ; C07C / ;
Abstract
Novel sulfonylinide and sulfonylmethide compounds are described which are useful as conductive salts. Also described is the use of the above compounds in salt form in battery electrolytes, particular salts having mixed perfluorocaron and hydrocarbon groups or having all hydrocarbon groups. The above salts are less expensive to produce and still exhibit excellent conductivity and low corrosivity.