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:
Dec. 12, 2000
Filed:
Apr. 15, 1998
Applicant:
Inventors:
William W Yen, Arlington, MA (US);
Douglas J Woodnorth, Needham, MA (US);
James J Cervera, Medway, MA (US);
Assignee:
Duracell Inc., Bethel, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01D / ;
U.S. Cl.
CPC ...
429144 ; 429255 ; 428532 ;
Abstract
A thin separator for batteries is provided. The separator includes a layer that reduces dendrite shorting and a nonwoven layer. Typically, the separator also includes a laminate layer disposed between the nonwoven layer and the layer which reduces dendrite shorting. Additional nonwoven layers can also be included in the separator.