| 发明名称 |
Composition for treating water or aqueous systems. |
| 摘要 |
<p>The present invention provides a composition for treating water or an aqueous system to prevent the deposition of scale caused by scale-forming impurities in the water which comprises hydrolysed polymaleic anhydride and a hydrolysed copolymer of maleic anhydride with at least one mono-ethylenically unsaturated monomer.</p> |
| 申请公布号 |
EP0388836(A1) |
申请公布日期 |
1990.09.26 |
| 申请号 |
EP19900105114 |
申请日期 |
1990.03.19 |
| 申请人 |
CIBA-GEIGY AG |
发明人 |
PATEL, SURESH |
| 分类号 |
C02F5/14;C02F5/00;C02F5/08;C02F5/10;C02F5/12;C02F101/10;C02F103/02;C23F14/02 |
主分类号 |
C02F5/14 |
| 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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