| 发明名称 |
Cement admixture product |
| 摘要 |
The present invention is directed to a polyoxyalkylene ammonium salt of an imidized polycarboxylic acid polymer cement admixture, storage stable aqueous solutions of said polymer, and to improved cement compositions containing said polymer.
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| 申请公布号 |
US5665158(A) |
申请公布日期 |
1997.09.09 |
| 申请号 |
US19950505985 |
申请日期 |
1995.07.24 |
| 申请人 |
W. R. GRACE & CO.-CONN. |
发明人 |
DARWIN, DAVID CHARLES;GARTNER, ELLIS MARTIN |
| 分类号 |
C04B24/26;C04B24/32;C04B28/02;C04B103/32;C08F8/32;C08F8/48;C08K3/34;C08L33/02;C08L33/24;C08L35/00;(IPC1-7):C04B24/12 |
主分类号 |
C04B24/26 |
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