Process for manufacturing coarse, crystalline alumina
US4574073A · kind A · utility
3Cited by
3References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 23, 1985 |
| Grant date | Mar 4, 1986 |
| Priority date | — |
| Expiry date | Jan 23, 2005 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01P2004/61
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The invention relates to a process for manufacturing coarse, crystalline alumina which, after preparation in a generally known manner, is suitable for use as grinding, lapping and polishing materials. The process comprises the calcining of alumina from dry absorption scrubbing units employed in connection with fused salt reduction cells producing aluminum.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.