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:
Feb. 03, 2015
Applicant:
Zeon Corporation, Chiyoda-ku, Tokyo, JP;
Inventor:
Yuuki Ohkubo, Tokyo, JP;
Assignee:
ZEON CORPORATION, Chiyoda-ku, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 2/16 (2006.01); H01M 4/13 (2010.01); C08F 220/18 (2006.01); H01M 4/62 (2006.01); C08K 3/22 (2006.01); C08L 33/06 (2006.01); H01M 2/14 (2006.01); H01M 10/0525 (2010.01); H01M 10/052 (2010.01);
U.S. Cl.
CPC ...
H01M 2/162 (2013.01); C08F 220/18 (2013.01); C08K 3/22 (2013.01); C08L 33/062 (2013.01); H01M 2/145 (2013.01); H01M 2/16 (2013.01); H01M 2/1653 (2013.01); H01M 4/13 (2013.01); H01M 4/622 (2013.01); H01M 10/0525 (2013.01); C08K 2003/2227 (2013.01); H01M 10/052 (2013.01);
Abstract
A binder composition for a porous membrane of a secondary battery, including a polycarboxylic acid and water, wherein the polycarboxylic acid includes a carboxylic acid group-containing monomer unit in an amount of 20% by weight or more and 50% by weight or less, the polycarboxylic acid is water-insoluble at a pH of 6.5 or less and water-soluble at a pH of 8 or more, and the binder composition for a porous membrane of a secondary battery has a pH of 6.5 or less; and a slurry for a porous membrane of a secondary battery using the binder composition, a porous membrane for a secondary battery, and a secondary battery.