| 发明名称 |
Preparation of silicon nitride powder |
| 摘要 |
Silicon nitride powder may be prepared by subjecting a composite comprising at least a monolayer of a carbonaceous pyropolymer possessing recurring units containing at least carbon and hydrogen atoms on the surface of a silica support to the action of nitrogen-containing atmospheres at nitriding conditions to form silicon nitride.
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| 申请公布号 |
US4701316(A) |
申请公布日期 |
1987.10.20 |
| 申请号 |
US19860901672 |
申请日期 |
1986.08.29 |
| 申请人 |
ALLIED CORPORATION |
发明人 |
LESTER, GEORGE R.;GONCZY, STEPHEN T.;WELSH, LAWRENCE B.;STRANFORD, GERALD T. |
| 分类号 |
C01B21/068;(IPC1-7):C01B33/06 |
主分类号 |
C01B21/068 |
| 代理机构 |
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| 主权项 |
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| 地址 |
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