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:
Sep. 15, 2015
Filed:
Aug. 02, 2011
Applicants:
Takeshi Ishihara, Nasushiobara, JP;
Koichi Kono, Nasushiobara, JP;
Satoshi Miyaoka, Nasushiobara, JP;
Patrick Brant, Seabrook, TX (US);
Inventors:
Takeshi Ishihara, Nasushiobara, JP;
Koichi Kono, Nasushiobara, JP;
Satoshi Miyaoka, Nasushiobara, JP;
Patrick Brant, Seabrook, TX (US);
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J 9/28 (2006.01); B29C 55/02 (2006.01); H01M 2/16 (2006.01); B32B 3/26 (2006.01); B32B 5/00 (2006.01); B32B 7/02 (2006.01); B32B 27/08 (2006.01); C08J 5/18 (2006.01); H01M 2/14 (2006.01); B29K 23/00 (2006.01); B29K 105/04 (2006.01); B29C 55/06 (2006.01); B29C 55/08 (2006.01); B29C 55/12 (2006.01); H01M 10/0525 (2010.01);
U.S. Cl.
CPC ...
H01M 2/1653 (2013.01); B32B 3/26 (2013.01); B32B 5/00 (2013.01); B32B 7/02 (2013.01); B32B 27/08 (2013.01); C08J 5/18 (2013.01); H01M 2/145 (2013.01); H01M 2/1686 (2013.01); B29C 55/06 (2013.01); B29C 55/08 (2013.01); B29C 55/12 (2013.01); B29K 2023/04 (2013.01); B29K 2023/10 (2013.01); B29K 2105/04 (2013.01); C08J 2323/02 (2013.01); C08J 2323/06 (2013.01); C08J 2323/10 (2013.01); C08J 2323/20 (2013.01); H01M 10/0525 (2013.01); Y02T 10/7011 (2013.01); Y10T 428/2495 (2015.01); Y10T 428/249978 (2015.04);
Abstract
The invention relates to microporous polymeric membranes suitable for use as battery separator film. The membrane comprises polyethylene, polypropylene, and polymethylpentene. The invention also relates to a method for producing such a membrane, batteries containing such membranes as battery separators, methods for making such batteries, and methods for using such batteries.