Process for preparing transition metal nitrides and transition metal carbonitrides and their reaction intermediates
US4746501A · kind A · utility
6Cited by
2References
6Claims
0Family size
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Key dates
| Filing date | Aug 6, 1987 |
| Grant date | May 24, 1988 |
| Priority date | — |
| Expiry date | Aug 6, 2007 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01P2006/80
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A process for making ammonolytic precursors to nitride and carbonitride ceramics. Extreme reaction conditions are not required and the precursor is a powder-like substance that produces ceramics of improved purity and morphology upon pyrolysis.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.