Method for purifying aluminum
US6398845B1 · kind B1 · utility
1Cited by
4References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 30, 2000 |
| Grant date | Jun 4, 2002 |
| Priority date | — |
| Expiry date | May 30, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P10/20
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A method for purifying aluminum to provided which comprises the steps of maintaining aluminum as a starting material in a molten condition in N+1 vessels; wherein N+1 vessels for molten aluminum and N cooling bodies are provided which are immersed in molten aluminum in the vessels and upon which highly purified aluminum is crystallized on the surfaces thereof. The N+1 vessels are arranged sequentially from 1-st to (N+1)-th and the N cooling bodies are sequentially arranged from 1-st to N-th, respectively, and the vessels and cooling bodies are moved relative to each other.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.