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. 16, 2013
Filed:
Jun. 06, 2008
Hiroyoshi Take, Ibaraki, JP;
Shuhei Murata, Ibaraki, JP;
Shigeru Fujita, Ibaraki, JP;
Yoshihiro Uetani, Ibaraki, JP;
Shinji Bessho, Takatsuki, JP;
Satoshi Nishikawa, Otsu, JP;
Hiroyoshi Take, Ibaraki, JP;
Shuhei Murata, Ibaraki, JP;
Shigeru Fujita, Ibaraki, JP;
Yoshihiro Uetani, Ibaraki, JP;
Shinji Bessho, Takatsuki, JP;
Satoshi Nishikawa, Otsu, JP;
Nitto Denko Corporation, Osaka, JP;
Sunstar Engineering Inc., Osaka, JP;
Abstract
The present invention relates to a crosslinking polymer-supported porous film for battery separator, including: a porous film; and a crosslinking polymer supported on the porous film, the crosslinking polymer having a plurality of cation-polymerizable functional groups in the molecule thereof and having oxyalkylene groups represented by general formula (I): in which the Rs may be the same or different and each independently represent a hydrogen atom or a methyl group, and n represents an integer of 4 to 9, in a side chain thereof.