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:
Mar. 03, 1981
Filed:
Jul. 17, 1978
Applicant:
Inventors:
Philip Bernstein, Yardley, PA (US);
James P Coffey, Hatboro, PA (US);
Alan E Varker, Philadelphia, PA (US);
Assignee:
ESB Inc., Philadelphia, PA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
20415917 ; 525274 ; 525279 ; 525292 ; 525301 ;
Abstract
A material useful as a separator in batteries and a process for making the material is provided. This material is a polyolefin having grafted to it side chains derived from an ethylenically unsaturated ionogenic monomer and cross-linked with sulfur.