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. 29, 2016
Filed:
Mar. 05, 2010
Applicants:
Takeshi Ishihara, Kawagoe, JP;
Satoshi Miyaoka, Nasushiobara, JP;
Koichi Kono, Asaka, JP;
Donna J. Crowther, Seabrook, TX (US);
Patrick Brant, Seabrook, TX (US);
Inventors:
Takeshi Ishihara, Kawagoe, JP;
Satoshi Miyaoka, Nasushiobara, JP;
Koichi Kono, Asaka, JP;
Donna J. Crowther, Seabrook, TX (US);
Patrick Brant, Seabrook, TX (US);
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 2/14 (2006.01); B01D 71/26 (2006.01); B01D 71/76 (2006.01); H01M 2/16 (2006.01); B32B 27/32 (2006.01); B29C 47/00 (2006.01);
U.S. Cl.
CPC ...
B01D 71/26 (2013.01); B01D 71/76 (2013.01); B29C 47/00 (2013.01); B32B 27/32 (2013.01); H01M 2/14 (2013.01); H01M 2/16 (2013.01); H01M 2/164 (2013.01); H01M 2/1653 (2013.01);
Abstract
The invention relates to microporous membranes comprising polymer and having well-balanced permeability, shutdown temperature, and pin puncture strength. The invention also relates to methods for making such membranes, and the use of such membranes as battery separator film in, e.g., lithium ion secondary batteries.