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:
Jun. 04, 2019
Filed:
Dec. 03, 2010
Applicants:
Kazuki Chiba, Fukushima, JP;
Atsushi Kajita, Fukushima, JP;
Yukako Teshima, Fukuoka, JP;
Masatake Hayashi, Kanagawa, JP;
Inventors:
Kazuki Chiba, Fukushima, JP;
Atsushi Kajita, Fukushima, JP;
Yukako Teshima, Fukuoka, JP;
Masatake Hayashi, Kanagawa, JP;
Assignee:
Murata Manufacturing Co., Ltd., Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 2/16 (2006.01); H01M 4/00 (2006.01); H01M 2/18 (2006.01); H01M 2/28 (2006.01); H01M 10/04 (2006.01); B32B 15/085 (2006.01); B32B 1/08 (2006.01); H01M 2/14 (2006.01); H01M 10/0525 (2010.01);
U.S. Cl.
CPC ...
H01M 2/1686 (2013.01); B32B 1/08 (2013.01); B32B 15/085 (2013.01); H01M 2/166 (2013.01); H01M 2/1653 (2013.01); H01M 2/18 (2013.01); H01M 2/28 (2013.01); H01M 10/0431 (2013.01); B32B 2250/40 (2013.01); B32B 2255/10 (2013.01); B32B 2255/26 (2013.01); B32B 2307/50 (2013.01); B32B 2307/724 (2013.01); B32B 2457/10 (2013.01); H01M 2/145 (2013.01); H01M 10/0525 (2013.01);
Abstract
A separator includes a first layer that has a first principal face and a second principal face, and a second layer that is formed on at least one of the first principal face and the second principal face. The first layer is a microporous membrane including a first polymer resin, and the second layer is a microporous membrane including inorganic particles having an electrically insulating property and a second polymer resin.