| 发明名称 |
Modified cement and concrete compositions |
| 摘要 |
Magnesium sulfate is admixed or interground with hydraulic silicate cement material to improve the properties of cement or concrete derived therefrom. Suitably, the magnesium sulfate is present in the oxidation product obtained by combustion of an asphalt. |
| 申请公布号 |
EP0790221(A1) |
申请公布日期 |
1997.08.20 |
| 申请号 |
EP19970300844 |
申请日期 |
1997.02.10 |
| 申请人 |
AIR PRODUCTS AND CHEMICALS, INC. |
发明人 |
ROTH, TIMOTHY JAY;WELLIVER, WILLIAM RUSSELL;MILLER, F. MACGREGOR |
| 分类号 |
C04B7/42;C04B18/06;C04B22/14;C04B28/02 |
主分类号 |
C04B7/42 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
