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:
Apr. 09, 2019
Filed:
Sep. 19, 2013
Applicant:
Zeon Corporation, Tokyo, JP;
Inventors:
Yujiro Toyoda, Tokyo, JP;
Takuya Kaneda, Tokyo, JP;
Assignee:
ZEON CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 2/16 (2006.01); H01M 2/14 (2006.01); B01D 67/00 (2006.01); H01M 10/0525 (2010.01); H01M 10/0585 (2010.01); B01D 71/40 (2006.01); B01D 71/42 (2006.01); B01D 71/76 (2006.01);
U.S. Cl.
CPC ...
H01M 2/1686 (2013.01); B01D 67/0046 (2013.01); H01M 2/145 (2013.01); H01M 2/168 (2013.01); H01M 2/1653 (2013.01); B01D 71/40 (2013.01); B01D 71/42 (2013.01); B01D 71/76 (2013.01); H01M 10/0525 (2013.01); H01M 10/0585 (2013.01);
Abstract
A porous membrane separator for a secondary battery, comprising a separator substrate, a porous membrane formed on at least one surface of the separator substrate, and an adhesive layer formed on the porous membrane, wherein: the porous membrane contains non-conductive particles and a water-soluble maleimide-maleic acid copolymer including a specific structural unit (a) a structural unit (b); and the adhesive layer contains a particulate polymer having a glass transition temperature of 10° C. or higher and 110° C. or lower.