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:
Feb. 05, 1991
Filed:
Feb. 08, 1990
Applicant:
Inventors:
Kazuhiro Matsui, Tokyo, JP;
Akira Sugano, Sumoto, JP;
Ichirou Yoshida, Sumoto, JP;
Yukiharu Nishikawa, Sumoto, JP;
Toshiaki Shiojiri, Sumoto, JP;
Takahisa Awajitani, Sumoto, JP;
Shinsuke Nakahori, Sumoto, JP;
Yuji Morioka, Hyogo, JP;
Assignee:
Sanyo Electric Co., Ltd., Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01M / ; H01M / ;
U.S. Cl.
CPC ...
429217 ; 429222 ;
Abstract
A rechargeable alkaline storage cell mainly comprising a negative electrode including polyvinyl pyrolidone having a degree of polymerization of 350 to 1,000, a positive electrode, and an alkaline electrolyte, and its manufacturing method are disclosed. This invention may be employed for the sintering method or for the non-sintering method of manufacturing a negative electrode.