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. 28, 1980
Filed:
Apr. 03, 1979
Applicant:
Inventors:
Keiji Kawasaki, Tokyo, JP;
Itsuaki Matsuda, Yokohama, JP;
Assignee:
Showa Denko K.K., , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C25B / ; C25B / ; C25D / ;
U.S. Cl.
CPC ...
204 98 ; 204 / ; 2042 / ; 204293 ;
Abstract
An improved cathode for the electrolysis of an aqueous solution of an alkali metal halide, which shows a reduced hydrogen overvoltage. The cathode comprises a metallic substrate and a coating of iron or both iron and cobalt electroplated thereon from a specified electroplating bath containing iron or both iron and cobalt. A method is also provided for electrolyzing an aqueous solution of an alkali metal halide using this cathode.