发明名称 |
Lime silicic acid mixtures and methods of making building materials therefrom |
摘要 |
Improved building compositions are prepared by including in CaO-containing components/SiO2-containing components admixtures a small amount of chemically precipitates silicic acid containing flourine as an impurity.
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申请公布号 |
US4115140(A) |
申请公布日期 |
1978.09.19 |
申请号 |
US19770759731 |
申请日期 |
1977.01.17 |
申请人 |
INTONG AB |
发明人 |
HUMS, DIETER;HERGETH, FRIEDRICH;WETZIG, WERNER |
分类号 |
C04B28/18;(IPC1-7):C04B7/34 |
主分类号 |
C04B28/18 |
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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