Patent · US Expired

Electrode for electrolysis in acidic media

US7211177B2 · kind B2 · utility

4Cited by

3References

17Claims

0Family size

Assignees

BAYER HEALTHCARE LLC · DE
De Nora Elettrodi S.p.A · IT

Inventors

Fritz Gestermann · Leverkusen, DE
Hans-Dieter Pinter · Wermelskirchen, DE
Gerd Speer · Burscheid, DE
Peter Fabian · Alzenau, DE
Robert Scannel · Pfungstadt, DE

Key dates

Filing date	Dec 31, 2002
Grant date	May 1, 2007
Priority date	—
Expiry date	Sep 19, 2023

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC25B11/091
WIPO fieldSurface technology, coating
WIPO sectorChemistry

Abstract

Electrode at least comprising an electroconductive support of a titanium-palladium alloy, titanium, tantalum or compounds or alloys of titanium or of tantalum, an electrochemically active coating and an interlayer between the support and the electrochemically active coating, wherein the interlayer consists of titanium carbide and/or titanium boride and is applied to the support by flame or plasma spraying. Process for producing these electrodes and their use in an electrochemical cell for producing chlorine or chromic acid.

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