Method and apparatus for controlling the size of powder produced by the Armstrong process
US7351272B2 · kind B2 · utility
7Cited by
5References
39Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 3, 2003 |
| Grant date | Apr 1, 2008 |
| Priority date | — |
| Expiry date | Mar 3, 2024 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01P2004/64
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A method of controlling the size and morphology of powder made by the subsurface injection of a halide vapor into a liquid metal is disclosed. A reaction zone is established and the temperature thereof or the time the powder remains therein is controlled to change powder characteristics.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.