Production of metal fluorides from fluosilicic acid
US3956147A · kind A · utility
23Cited by
1References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 28, 1974 |
| Grant date | May 11, 1976 |
| Priority date | — |
| Expiry date | Jan 28, 1994 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01F11/22
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A process which comprises reacting at a temperature above 100.degree.C. a metal oxide, hydroxide or a mixture thereof with aqueous fluosilicic acid, said fluosilicic acid having a concentration of about 10 to 45% by weight, to form gaseous silicon tetrafluoride and the corresponding metal fluoride and recovering said metal fluoride from the reaction medium.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.