| 发明名称 |
CEMENT ADDITIVES FOR OIL-COMPATIBLE CEMENTS |
| 摘要 |
A process for the preparation of a cement material for cementing. The process comprises adding to a cement material comprising cement and water a precondensate of at least one hydrolysable organosilane and, optionally, (nanoscale) particles. |
| 申请公布号 |
EP2229422(A1) |
申请公布日期 |
2010.09.22 |
| 申请号 |
EP20080858857 |
申请日期 |
2008.12.09 |
| 申请人 |
EPG (ENGINEERED NANOPRODUCTS GERMANY) AG |
发明人 |
SCHMIDT, CHRISTIAN;ENDRES, KLAUS;SCHMIDT, HELMUT |
| 分类号 |
C09K8/42;C09K17/00 |
主分类号 |
C09K8/42 |
| 代理机构 |
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代理人 |
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| 主权项 |
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