发明授权
- 专利标题: Aqueous suspensions
- 专利标题(中): 水悬浮液
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申请号: US881481申请日: 1978-02-27
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公开(公告)号: US4175975A公开(公告)日: 1979-11-27
- 发明人: Dalton C. MacWilliams , James R. Wirt
- 申请人: Dalton C. MacWilliams , James R. Wirt
- 申请人地址: MI Midland
- 专利权人: The Dow Chemical Company
- 当前专利权人: The Dow Chemical Company
- 当前专利权人地址: MI Midland
- 主分类号: C04B7/42
- IPC分类号: C04B7/42 ; C04B28/04
摘要:
Water-soluble salts of low-molecular weight polyacrylic acids function synergistically with inorganic salts to obtain superior reduction of water demand of dispersed inorganic solids. The disclosed invention is particularly adapted for use in the wet-grinding process for preparing portland cement.