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:
Apr. 27, 1982
Filed:
Jul. 25, 1980
Applicant:
Inventors:
Stewart C Feinberg, Monroeville, PA (US);
Christian B Lundsager, Ashton, MD (US);
Joseph T Lundquist, Jr, Columbia, MD (US);
Robert A Balouskus, Sykesville, MD (US);
Assignee:
W. R. Grace & Co., New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M / ;
U.S. Cl.
CPC ...
429144 ; 429251 ; 429254 ;
Abstract
A battery separator, and a method of forming the same, which exhibits good electrical conductivity and a high degree of inhibition to dendrite formation, is in the form of a thin sheet formed from a substantially uniform mixture of a thermoplastic rubber, a filler, a rubber modifier, and a processing aid.