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. 09, 2009
Filed:
Jun. 28, 2005
Applicants:
Mitsuji Adachi, Suita, JP;
Yasuhiko Shoji, Higashiosaka, JP;
Seiji Wada, Katano, JP;
Inventors:
Assignee:
Panasonic Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 2/14 (2006.01); G01N 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An alkaline dry battery having high reliability is provided by using a separator that has excellent drop impact resistance when impregnated with an alkaline electrolyte. In the alkaline dry battery according to the present invention, an electrolyte solution is an alkaline aqueous solution containing 30 to 40% by weight of potassium hydroxide, and a separator impregnated with the alkaline aqueous solution has a burst index within a range of 2 to 10 kPa/(g/m).