| 发明名称 |
Treatment of aqueous systems |
| 摘要 |
Aqueous compositions containing compounds having the formula: <IMAGE> I wherein R is a straight- or branched alkyl residue containing 11 to 17 carbon atoms and X and Y are the same or different and each is an alkali metal, an alkaline earth metal, ammonium, an amine radical or hydrogen for selectively flocculating iron ions.
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| 申请公布号 |
US4192744(A) |
申请公布日期 |
1980.03.11 |
| 申请号 |
US19770846301 |
申请日期 |
1977.10.28 |
| 申请人 |
CIBA-GEIGY CORP |
发明人 |
CLARK, DAVID R;FINAN, MICHAEL A;MARSHALL, ALAN |
| 分类号 |
B01D21/01;C02F1/52;C02F1/54;C02F1/64;C02F1/72;C02F5/00;C02F5/08;C02F5/10;C02F5/12;C02F101/20;C02F103/00;C09K3/00;(IPC1-7):B01D21/01;C02B1/20 |
主分类号 |
B01D21/01 |
| 代理机构 |
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代理人 |
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| 主权项 |
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