Patent · US Expired

Metal anode for electro-chemical processes

US4042484A · kind A · utility

3Cited by

9References

16Claims

0Family size

Inventors

Gerhard Thiele · Dachau, DE
Dieter Zollner
Konrad Koziol

Key dates

Filing date	Jan 10, 1975
Grant date	Aug 16, 1977
Priority date	—
Expiry date	Jan 10, 1995

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC25B11/075
WIPO fieldSurface technology, coating
WIPO sectorChemistry

Abstract

A protective cover layer is provided for the basis metal of an electrolytic anode, particularly for anodes used in the production of chlorine and caustic soda. The cover layer comprises a non-stoichiometric compound having the empirical formula: EQU M.sub.n Pt.sub.3 O.sub.4 where M is lithium, sodium, potassium, silver, or copper and n is a number in the range of about 0.4 to 0.6.

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