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:
Oct. 01, 2013
Filed:
Aug. 21, 2008
Masanao Tanaka, Ibaraki, JP;
Tatsuo Nakamura, Ibaraki, JP;
Hiroshi Ohnishi, Ibaraki, JP;
Yuka Kondo, Ibaraki, JP;
Koji Kimura, Ibaraki, JP;
Te Hyon Cho, Osaka, JP;
Tetsuo Sakai, Osaka, JP;
Masanao Tanaka, Ibaraki, JP;
Tatsuo Nakamura, Ibaraki, JP;
Hiroshi Ohnishi, Ibaraki, JP;
Yuka Kondo, Ibaraki, JP;
Koji Kimura, Ibaraki, JP;
Te Hyon Cho, Osaka, JP;
Tetsuo Sakai, Osaka, JP;
Japan Vilene Company, Ltd., Tokyo, JP;
National Institute of Advanced Industrial Science and Technology, Tokyo, JP;
Abstract
Disclosed is a lithium ion secondary battery, in which comprises a vinyl alcohol polymer or a derivative thereof in an amount of 0.3 mg or more per 1 mAh of battery capacity in terms of a vinyl alcohol unit moiety content. The lithium ion secondary battery can decrease the battery voltage under high-temperature conditions and cannot be recharged after being exposed to high-temperature conditions.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile