Method for electrowinning metal
US4288302A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 31, 1977 |
| Grant date | Sep 8, 1981 |
| Priority date | — |
| Expiry date | Jan 31, 1997 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC25C7/02
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Novel dimensionally stable electrodes constituted by a film forming metallic material alloyed with at least one member of the group consisting of metal belonging to Groups VIB, VIIB, VIII, IIB, IB, IVA, lanthanum and lanthanide series of the Periodic Table, such as chromium, manganese, rhenium, iron, ruthenium, osmium, cobalt, rhodium, iridium, nickel, palladium, platinum, copper, silver, gold, zinc, cadmium, silicon, germanium, tin, lead and lanthanum having an electroconductive and corrosion resistant surface preactivated on the surface thereof, preparation of said electrodes, use of said electrodes as anodes for electrolysis in aqueous and organic solutions or in fused salts as well as for cathodic protection and electrolysis methods using said electrodes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.