Process and apparatus for producing non-oxide compounds
US4818511A · kind A · utility
15Cited by
8References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 22, 1987 |
| Grant date | Apr 4, 1989 |
| Priority date | — |
| Expiry date | Jul 22, 2007 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01B21/072
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A process for producing non-oxide compounds such as silicon nitride and silicon carbide by using a multi-stage apparatus constructed of a raw material drier section, a reactor section including a multiplicity of reaction vessels, and a non-oxidizing gas feeder section, is disclosed. The sections are arranged serially in the vertical direction. Raw materials are reacted with one another while fluidizing or bubbling by a hot non-oxidizing gas (argon or nitrogen) occurs in the raw material drier section and reaction vessels.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.