Preparations of rare earth-iron alloys by thermite reduction
US4612047A · kind A · utility
15Cited by
1References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 28, 1985 |
| Grant date | Sep 16, 1986 |
| Priority date | — |
| Expiry date | Oct 28, 2005 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S75/959
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
An improved method for the preparation of high-purity rare earth-iron alloys by the aluminothermic reduction of a mixture of rare earth and iron fluorides.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.