Method of producing cubic boron nitride
US6508996B2 · kind B2 · utility
2Cited by
3References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 7, 2001 |
| Grant date | Jan 21, 2003 |
| Priority date | — |
| Expiry date | Feb 7, 2021 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J2203/068
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
hBN is converted to cBN by keeping it under temperature and pressure conditions within the range of stability of cubic boron nitride, in the presence of at least one compound selected from amides, imides and carbides of alkali metals and alkaline earth metals, as well as a silicon source and/or a boron source.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.