| 发明名称 |
Early strength cements |
| 摘要 |
An early strength hydraulic cement comprising 7 to 90 per cent C12A7 formed in an underlimed clinker burned to a low free lime, the underlimed condition being at least counterbalanced in the cement by a substance effective to raise the basicity.
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| 申请公布号 |
US4019917(A) |
申请公布日期 |
1977.04.26 |
| 申请号 |
US19750636457 |
申请日期 |
1975.12.01 |
| 申请人 |
THE ASSOCIATED PORTLAND CEMENT MANUFACTURERS LIMITED |
发明人 |
MURRAY, RANSOM JAMES;BROWN, ARTHUR WILLIAM |
| 分类号 |
C04B7/345;C04B7/32;(IPC1-7):C04B7/02;C04B7/35 |
主分类号 |
C04B7/345 |
| 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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