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. 15, 2004
Filed:
Apr. 10, 2000
Applicant:
Inventors:
Khuy V. Nguyen, Charlotte, NC (US);
C. Glen Wensley, Rock Hill, SC (US);
Assignee:
Celgard Inc., Charlotte, NC (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 2/16 ; H01M 1/050 ;
U.S. Cl.
CPC ...
H01M 2/16 ; H01M 1/050 ;
Abstract
The instant invention is directed to a battery separator including a microporous polyolefinic membrane having a porosity in a range 30-80%, an average pore size in a range of 0.02-2.0 microns, and being made from a blend of a polyolefin polymer and an oligomer of a polyolefinic polymer.