| 发明名称 |
METHOD FOR PRODUCING PARTICULATE ALUMINA AND COMPOSITION CONTAINING PARTICULATE ALUMINA |
| 摘要 |
One embodiment of the present invention provides a method for producing a particulate alumina, comprising heat-treating (calcining) a composition comprising alumina, an alumina hydrate, ammonium chloride and a halogen compound other than ammonium chloride and then disintegrating the heat-treated product. |
| 申请公布号 |
EP1633678(A2) |
申请公布日期 |
2006.03.15 |
| 申请号 |
EP20040736701 |
申请日期 |
2004.06.11 |
| 申请人 |
SHOWA DENKO K.K. |
发明人 |
KAMIMURA, Katsuhiko;YAMADA, Tomiharu |
| 分类号 |
C01F7/02;C01F7/44;C04B35/101;C04B35/111;C09C1/40;H01L23/29;H01L23/373;H01M2/10;H01M10/50 |
主分类号 |
C01F7/02 |
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