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.

Date of Patent:
Nov. 24, 1981

Filed:

Apr. 21, 1980
Applicant:
Inventors:

Yoshio Oda, Yokohama, JP;

Hiroshi Otouma, Yokohama, JP;

Eiji Endoh, Yokohama, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C25B / ; C25D / ;
U.S. Cl.
CPC ...
204293 ; 204 16 ;
Abstract

This invention presents low hydrogen overvoltage electrode which comprises a plated metal layer of nickel or cobalt which contains partially exposed particles made of nickel or cobalt on an electrode substrate, the surface of which particles does not contain oxygen, which concentration is more than 150 ppm, and process for preparing such electrode, which comprises codepositing electrically and electrophoretically nickel or cobalt particles with nickel or cobalt from a dispersed solution which contains Cl.sup.- of the concentration of not less than 30 gCl.sup.- /l solution.


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