Process for producing ceramic nitrides and carbonitrides and their precursors
US4758539A · kind A · utility
7Cited by
3References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 25, 1987 |
| Grant date | Jul 19, 1988 |
| Priority date | — |
| Expiry date | Feb 25, 2007 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01P2006/80
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A process for preparing ceramic nitrides and carbonitrides in the form of very pure, fine particulate powder. Appropriate precursor is prepared by reacting a transition metal alkylamide with ammonia to produce a mixture of metal amide and metal imide in the form of an easily pyrolyzable precipitate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.