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. 17, 2018
Filed:
Nov. 26, 2014
Toyota Jidosha Kabushiki Kaisha, Toyota-shi, Aichi-ken, JP;
Hiroya Umeyama, Okazaki, JP;
Tatsuya Hashimoto, Osaka, JP;
Yusuke Fukumoto, Toyonaka, JP;
Keisuke Ohara, Osaka, JP;
Kouichi Toriyama, Osaka, JP;
TOYOTA JIDOSHA KABUSHIKI KAISHA, Aichi-ken, JP;
Abstract
A separatorfor a nonaqueous electrolyte secondary battery, includes a resin-made substrate () and a porous heat resistance layer () disposed on the substrate. The porous heat resistance layer includes an inorganic filler () and hollow bodies (). The hollow body includes a shell portion and a hollow portion. The shell portion is formed of an acryl resin. The hollow portion is formed inside the shell portion. An opening portion extending through the shell portion to spatially interconnect the hollow portion and the outside of the shell portion is formed in the shell portion.