| 发明名称 |
METHOD FOR CONTROLLING SCALE DEPOSITION IN AQUEOUS SYSTEMS USING QUARTENARY AMMONIUM/MALEIC ANHYDRIDE-TYPE POLYMERS |
| 摘要 |
This invention is directed to a method for controlling the formation of scale deposits in aqueous systems by adding an effective amount, preferably at least 0.1 ppm, of a maleic anhydride/quaternary ammonium-type polymer to the aqueous system being treated.
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| 申请公布号 |
CA1333985(C) |
申请公布日期 |
1995.01.17 |
| 申请号 |
CA19890604722 |
申请日期 |
1989.07.04 |
| 申请人 |
CALGON CORPORATION |
发明人 |
CHEN, SHIH-RUEY T.;VAUGHAN, CRAIG W. |
| 分类号 |
C02F5/00;C02F5/08;C02F5/10;C02F5/12;(IPC1-7):C02F5/12 |
主分类号 |
C02F5/00 |
| 代理机构 |
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