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:
Dec. 10, 2013
Filed:
Dec. 23, 2010
Applicants:
Tadayoshi Tanaka, Takatsuki, JP;
Hiroshi Minami, Kobe, JP;
Naoki Imachi, Kobe, JP;
Kazunari Yasumura, Osaka, JP;
Kunihiro Iwai, Osaka, JP;
Daisuke Imai, Osaka, JP;
Inventors:
Tadayoshi Tanaka, Takatsuki, JP;
Hiroshi Minami, Kobe, JP;
Naoki Imachi, Kobe, JP;
Kazunari Yasumura, Osaka, JP;
Kunihiro Iwai, Osaka, JP;
Daisuke Imai, Osaka, JP;
Assignee:
SANYO Electric Co., Ltd., Moriguchi-shi, Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/62 (2006.01);
U.S. Cl.
CPC ...
Abstract
A composition for an electrode of a nonaqueous electrolyte secondary battery contains an active material and a binder resin. The composition contains a vinylpyrrolidone-based polymer as the binder resin. The hydroxyl group equivalent of the vinylpyrrolidone-based polymer is within the range of 250 to 2500.