| 发明名称 |
Process for the preparation of submicron-sized boron carbide powders |
| 摘要 |
Ultrafine, high purity B4C is produced by BCl3, CH4 or C2H4, and H2, using a CO2 laser, when a stoichiometric excess of H2 and about half the stoichiometric amount of CH4 or C2H4 is employed.
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| 申请公布号 |
US4895628(A) |
申请公布日期 |
1990.01.23 |
| 申请号 |
US19860889665 |
申请日期 |
1986.07.28 |
| 申请人 |
THE DOW CHEMICAL COMPANY |
发明人 |
KNUDSEN, ARNE K.;LANGHOFF, CHARLES A. |
| 分类号 |
B01J19/12;C01B31/36;C04B35/563 |
主分类号 |
B01J19/12 |
| 代理机构 |
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