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:
Mar. 29, 1983
Filed:
Oct. 22, 1981
Applicant:
Inventors:
Nobuhiro Furukawa, Hirakata, JP;
Nobuyoshi Nishizawa, Hirakata, JP;
Assignee:
Sanyo Electric Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M / ;
U.S. Cl.
CPC ...
429144 ; 429206 ; 429229 ;
Abstract
A zinc alkaline secondary battery with improved service life in which a multi-layer separator is interposed between the negative and positive electrodes and the quantity of the alkaline electrolyte in the layer of the separator adjacent to the negative electrode is less than that of the electrolyte in the layer of the separator adjacent to the positive electrode.