| 发明名称 |
Precipitated silica paste |
| 摘要 |
A precipitated silica paste is produced by dispersing precipitated silica in silicon oil. During the hydrophobing of precipitated silicas, the precipitated silica paste is added as a hydrophobing agent in the suspension phase. The product is spray-dried, tempered and ground.
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| 申请公布号 |
US5256196(A) |
申请公布日期 |
1993.10.26 |
| 申请号 |
US19910808804 |
申请日期 |
1991.12.18 |
| 申请人 |
DEGUSSA AKTIENGESELLSCHAFT |
发明人 |
CHJONOWSKI, MARIAN;NAGEL, WERNER;MEIER, KARL;LEONHARDT, WOLFGANG;ESCH, HEINZ |
| 分类号 |
C01B33/18;C03B20/00;C09C1/30;C11D3/00;C11D3/12;C11D3/37;(IPC1-7):C04B14/04 |
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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