Recovery of refractory metal values from scrap cemented carbide
US4432950A · kind A · utility
1Cited by
3References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 16, 1982 |
| Grant date | Feb 21, 1984 |
| Priority date | — |
| Expiry date | Sep 16, 2002 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P10/20
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
In a process for recovering refractory metal values from a refractory metal carbide cemented with a metal binder. The coated cemented carbide is treated with sulfuric acid to deteriorate the coating.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.