Preparation of high purity elements
US5513834A · kind A · utility
6Cited by
10References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 14, 1994 |
| Grant date | May 7, 1996 |
| Priority date | — |
| Expiry date | Nov 14, 2014 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01P2006/80
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Described is in situ refining high purity elements in Groups IIA and VIB of the Periodic Table in a hermetically sealed apparatus by distilling, condensing and zone refining material within the apparatus.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.