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. 08, 2014
Filed:
Mar. 27, 2012
Ikuo Fukui, Joetsu, JP;
Kazuhisa Hayakawa, Joetsu, JP;
Soji Tanioka, Tokyo, JP;
Masahiro Ohgata, Osaka, JP;
Masaaki Kajitani, Osaka, JP;
Ikuo Fukui, Joetsu, JP;
Kazuhisa Hayakawa, Joetsu, JP;
Soji Tanioka, Tokyo, JP;
Masahiro Ohgata, Osaka, JP;
Masaaki Kajitani, Osaka, JP;
Shin-Etsu Chemical Co., Ltd., Tokyo, JP;
Matsugaki Chemical Industries Co., Ltd., Osaka, JP;
Abstract
Object of the invention is to provide a binder for a separator which can be comprised by a non-aqueous electrolyte battery with improved battery properties and heat resistance; the separator comprising the binder; and the non-aqueous electrolyte battery comprising the separator. More specifically, provided is a binder for a separator of a non-aqueous electrolyte battery, the separator comprising a 2-cyanoethyl group-containing polymer having bis-cyanoethyl ether content of 0.5% by weight or less as an impurity.