发明名称 |
Cement compositions containing set retarders. |
摘要 |
<p>The process of employing as a cement setting retarder a compound which is a derivative of dicyclopentadiene bis-(methylamine) wherein at least one amine hydrogen is substituted with a methylenephosphonic acid group or a salt thereof, the other groups being selected from a limit set of moieties.</p> |
申请公布号 |
EP0166797(A1) |
申请公布日期 |
1986.01.08 |
申请号 |
EP19840107683 |
申请日期 |
1984.07.03 |
申请人 |
THE DOW CHEMICAL COMPANY |
发明人 |
CRUMP, DRUCE K.;WILSON, DAVID A. |
分类号 |
C04B24/00;(IPC1-7):C04B24/00 |
主分类号 |
C04B24/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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