Chemical vapor purification of fluorides
USRE32777E · kind E · reissue
1Cited by
3References
7Claims
0Family size
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Key dates
| Filing date | Apr 27, 1987 |
| Grant date | Nov 1, 1988 |
| Priority date | — |
| Expiry date | Apr 27, 2007 |
Classification
- Technology area (CPC —)General
Abstract
A chemical vapor purification process for the preparation of high purity metal fluorides using the thermodynamic separation of cations by formation of a gaseous-metal-containing compound, vapor transport, and fluorination is disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.