Method of making powders and products of tantalum and niobium
US5242481A · kind A · utility
74Cited by
7References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 12, 1990 |
| Grant date | Sep 7, 1993 |
| Priority date | — |
| Expiry date | Dec 12, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC22B34/24
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A powder of tantalum, niobium, or an alloy thereof, having an oxygen content less than about 300 ppm, and the production thereof without exposure to a temperature greater than about 0.7 T.sub.H. A powder metallurgy formed product of tantalum, niobium, or an alloy thereof, having an oxygen content less than about 300 ppm, and the production thereof without exposure to a temperature greater than about 0.7 T.sub.H.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.