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. 22, 2015
Filed:
Mar. 31, 2009
Applicants:
Shunsuke Noumi, Osaka, JP;
Hiroyoshi Take, Osaka, JP;
Kinkou Sho, Osaka, JP;
Inventors:
Assignee:
NITTO DENKO CORPORATION, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 2/16 (2006.01); H01M 10/052 (2010.01); H01M 10/056 (2010.01); H01M 10/0565 (2010.01); H01M 10/0525 (2010.01); H01M 10/058 (2010.01);
U.S. Cl.
CPC ...
H01M 2/1653 (2013.01); H01M 2/164 (2013.01); H01M 2/1673 (2013.01); H01M 2/1686 (2013.01); H01M 10/052 (2013.01); H01M 10/058 (2013.01); H01M 10/0525 (2013.01); H01M 10/0565 (2013.01); H01M 2300/0082 (2013.01); Y02E 60/122 (2013.01); Y10T 29/4911 (2015.01); Y10T 29/49108 (2015.01);
Abstract
The present invention relates to a battery separator including: a porous substrate; and a layer of a crosslinked polymer supported on at least one surface of the porous substrate, in which the crosslinked polymer is obtained by reacting (a) a reactive polymer having, in the molecule thereof, a first reactive group containing active hydrogen and a second reactive group having cationic polymerizability with (b) a polycarbonate urethane prepolymer terminated by an isocyanate group.