| 发明名称 |
Method for increasing the thickening action of pyrogenically produced silicon dioxide |
| 摘要 |
The utilization of ethoxylated polyethyleneamines for addition to aqueous dispersions of pyrogenically prepared silicon dioxide in order to obtain an increase of the thickening action thereof.
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| 申请公布号 |
US4721530(A) |
申请公布日期 |
1988.01.26 |
| 申请号 |
US19860924668 |
申请日期 |
1986.10.30 |
| 申请人 |
DEGUSSA AKTIENGESELLSCHAFT |
发明人 |
ETTLINGER, MANFRED;MATHIAS, JOHANN;STADTMUELLER, GUENTER |
| 分类号 |
C01B33/18;B01F17/16;C01B33/141;C09K3/00;(IPC1-7):C01B33/18 |
主分类号 |
C01B33/18 |
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