Patent · US Expired

Electrode for electrolytic processes

US4012296A · kind A · utility

13Cited by
8References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 30, 1975
Grant dateMar 15, 1977
Priority date
Expiry dateOct 30, 1995

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC25B11/093
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

An electrode, for use in electrolytic processes, especially as an anode for use in the electrolysis of aqueous solutions of alkali metal halides, comprises a valve metal substrate coated on at least a portion of the surface thereof with a mixed oxide of hafnium and ruthenium wherein the molar ratio of ruthenium:hafnium is from about 0.25 to about 4.0.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.