| 发明名称 |
Process for the production of finely divided silicic acid by spray drying |
| 摘要 |
A finely divided silicic acid having a pH>6 is prepared by spray drying, in the presence of a base or basic-reacting substance, a highly concentrated silicic acid suspension having excess, unwanted acidity.
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| 申请公布号 |
US4224295(A) |
申请公布日期 |
1980.09.23 |
| 申请号 |
US19780916020 |
申请日期 |
1978.06.15 |
| 申请人 |
DEUTSCHE GOLD- UND SILBER-SCHEIDEANSTALT VORMALS ROESSLER |
发明人 |
BRANDT, BERND;NAUROTH, PETER;PETERS, ALBERT;REINHARDT, HELMUT |
| 分类号 |
C01B33/18;C01B33/193;C09C3/00;(IPC1-7):C01B33/12 |
主分类号 |
C01B33/18 |
| 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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