| 发明名称 |
Water-soluble sulphoalkyl hydroxyalkyl derivatives of cellulose and their use in gypsum- and cement-containing compounds |
| 摘要 |
The invention relates to a new class of water-soluble ionic cellulose derivatives and their use as additive for gypsum- and cement-containing compounds.
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| 申请公布号 |
US5385607(A) |
申请公布日期 |
1995.01.31 |
| 申请号 |
US19930009538 |
申请日期 |
1993.01.27 |
| 申请人 |
WOLFF WALSRODE AG |
发明人 |
KIESEWETTER, RENE;SZABLIKOWSKI, KLAUS;LANGE, WERNER |
| 分类号 |
C04B24/16;C04B24/38;C04B28/14;C08B11/08;C08B11/193;(IPC1-7):C08L1/26;C08L1/28;C08L1/30 |
主分类号 |
C04B24/16 |
| 代理机构 |
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| 主权项 |
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