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. 29, 1991
Filed:
Jun. 08, 1990
Applicant:
Inventors:
Ryoichi Nobuyoshi, Kanagawa, JP;
Kazuhiro Taki, Kanagawa, JP;
Assignee:
Nippon Mining Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G25B / ;
U.S. Cl.
CPC ...
2042 / ; 204293 ;
Abstract
There is provided an insoluble anode for producing manganese dioxide by electrolysis characterized in that the surface layer or the entire anode is made of a titanium alloy of from 0.5 to less than 15 percent by weight of nickel, the remainder being titanium and unavoidable impurities. The titanium alloy preferably has thereon Ti.sub.2 Ni particles 300 .mu.m or finer in size dispersed uniformly at the rate of at least 10,000 particles per square millimeter of the anode surface area, whereby the growth of a passive state film is prevented.