| 发明名称 |
PROCESS FOR MAKING CHEMICALLY STABILIZED CRISTOBALITE |
| 摘要 |
A process for making chemically stabilized cristobalite comprising sequential steps of (1) forming an aqueous dispersion of silica, alumina and Na, Ca and/or Sr oxides, (2) drying the dispersion to form amorphous particles and (3) calcining the amorphous particles to render them crystalline. |
| 申请公布号 |
EP0482534(A3) |
申请公布日期 |
1993.01.13 |
| 申请号 |
EP19910117856 |
申请日期 |
1991.10.19 |
| 申请人 |
E.I. DU PONT DE NEMOURS AND COMPANY |
发明人 |
BORS, SUSAN L.;WINCHESTER, STEVEN CHARLES;SALTZBERG, MICHAEL AARON;BERGNA, HORACIO ENRIQUE |
| 分类号 |
C03C3/087;C01B33/12;C03C8/02;C03C10/14;H01L23/15;(IPC1-7):C01B33/12 |
主分类号 |
C03C3/087 |
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