| 发明名称 |
HYDRATION RETARDER |
| 摘要 |
A METHOD OF RECLAIMING UNSET CEMENT COMPOSITIONS BY MIXING A POLYMETHOXY POLYPHOSPHONATE TO THE UNSET COMPOSITION TO CAUSE LONG-TERM RETARDATION OF CEMENT HYDRATION AND SUBSEQUENTLY TREATING THE COMPOSITION WITH A SET ACCELARATOR TO REINITIATE HYDRATION.
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| 申请公布号 |
MY130140(A) |
申请公布日期 |
2007.06.29 |
| 申请号 |
MYPI9201917 |
申请日期 |
1992.10.22 |
| 申请人 |
W.R. GRACE & CO., CONN |
发明人 |
NARENDER PAL LUTHRA;CHARLES GARVIE CARTER;PAUL CARL SCHEINER |
| 分类号 |
C04B7/36;C04B24/00;C04B24/02;C04B40/06;C07F9/38 |
主分类号 |
C04B7/36 |
| 代理机构 |
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代理人 |
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| 地址 |
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