Impregnated graphite cathode for the electrolysis of aluminium
US6723212B1 · kind B1 · utility
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4References
44Claims
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Key dates
| Filing date | Nov 19, 2001 |
| Grant date | Apr 20, 2004 |
| Priority date | — |
| Expiry date | Nov 19, 2021 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC25C3/08
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
This cathode (3) contains, within the pores in its structure, a carbon-containing product fired at a temperature of less than 1600° C., improving the erosion resistance by protecting the graphitized binder.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.