发明名称 |
Process for preparaing polyhedral alpha -alumina particles |
摘要 |
Polyhedral alpha -alumina particles having a particle size on the order of a micrometer and high purity are prepared by maintaining a compression molded aluminum material having, on its surface, a binary compound of aluminum and oxygen atoms or a ternary compound of aluminum, oxygen and hydrogen atoms in an aluminum melt.
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申请公布号 |
US5523074(A) |
申请公布日期 |
1996.06.04 |
申请号 |
US19930084173 |
申请日期 |
1993.07.01 |
申请人 |
SUMITOMO CHEMICAL COMPANY, LIMITED |
发明人 |
TAKAHASHI, AKIHIKO;TABUCHI, HIROSHI |
分类号 |
C01F7/02;C01F7/42;(IPC1-7):C01F7/02 |
主分类号 |
C01F7/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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