High purity anhydrous FeF.sub.3 and process for its manufacture
US4938945A · kind A · utility
4Cited by
3References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 18, 1988 |
| Grant date | Jul 3, 1990 |
| Priority date | — |
| Expiry date | Oct 18, 2008 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01G49/10
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Anhydrous ferric fluoride of 99.0% purity or greater, based upon F.sup.- analysis is afforded, as well as a process for its manufacture using anhydrous FeCl.sub.3 and liquid anhydrous HF, reacted in the substantial absence of O.sub.2, H.sub.2 O, or an oxidizing agent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.