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:
Feb. 28, 2017
Filed:
Sep. 17, 2008
Applicants:
Yoshiaki Obana, Kanagawa, JP;
Atsushi Kajita, Fukushima, JP;
Yukako Teshima, Fukuoka, JP;
Kenichi Ogawa, Kanagawa, JP;
Hisashi Tsujimoto, Fukushima, JP;
Inventors:
Yoshiaki Obana, Kanagawa, JP;
Atsushi Kajita, Fukushima, JP;
Yukako Teshima, Fukuoka, JP;
Kenichi Ogawa, Kanagawa, JP;
Hisashi Tsujimoto, Fukushima, JP;
Assignee:
Sony Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 2/16 (2006.01); H01M 2/18 (2006.01); H01M 4/131 (2010.01); H01M 4/1391 (2010.01); H01M 4/525 (2010.01); H01M 10/0569 (2010.01); H01M 4/04 (2006.01);
U.S. Cl.
CPC ...
H01M 4/0404 (2013.01); H01M 2/166 (2013.01); Y02E 60/122 (2013.01);
Abstract
A heat-resistant insulating layer-provided separator includes a polyolefin layer and a heat-resistant insulating layer formed on one or both surfaces of the polyolefin layer and containing a heat-resistant resin and an oxidation-resistant ceramic particle. The heat-resistant insulating layer contains the oxidation-resistant ceramic particle in a proportion of from 60 to 90%.