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:
Jul. 07, 2015
Filed:
May. 23, 2008
Shunsuke Noumi, Osaka, JP;
Tomoaki Ichikawa, Osaka, JP;
Shinichi Ooizumi, Osaka, JP;
Yoshihiro Uetani, Osaka, JP;
Masaki Ujihara, Osaka, JP;
Shunsuke Noumi, Osaka, JP;
Tomoaki Ichikawa, Osaka, JP;
Shinichi Ooizumi, Osaka, JP;
Yoshihiro Uetani, Osaka, JP;
Masaki Ujihara, Osaka, JP;
Nitto Denko Corporation, Osaka, JP;
Abstract
The method for producing a porous film of the present invention includes producing a stretched film by stretching a resin sheet containing at least polyolefin, and then irradiating the stretched film with a vacuum ultraviolet ray. The separator for a non-aqueous electrolyte battery of the present invention is composed of the porous film obtained by the production method of the present invention. The non-aqueous electrolyte battery of the present invention is provided with the separator for a non-aqueous electrolyte battery of the present invention.