| 发明名称 |
Defoaming compositions and methods |
| 摘要 |
The present invention provides improved defoaming compositions and methods. The compositions of the invention are basically comprised of polypropylene glycol, particulate hydrophobic silica and a liquid diluent.
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| 申请公布号 |
US6156808(A) |
申请公布日期 |
2000.12.05 |
| 申请号 |
US20000477580 |
申请日期 |
2000.01.04 |
| 申请人 |
HALLIBURTON ENERGY SERVICES, INC. |
发明人 |
CHATTERJI, JITEN;CROMWELL, ROGER S.;KING, BOBBY J. |
| 分类号 |
B01D19/04;(IPC1-7):B01D19/04;C09K3/00 |
主分类号 |
B01D19/04 |
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