发明名称 |
Method for controlling scale deposition in aqueous systems using quaternary 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 |
US5015390(A) |
申请公布日期 |
1991.05.14 |
申请号 |
US19900491889 |
申请日期 |
1990.03.12 |
申请人 |
CALGON CORPORATION |
发明人 |
CHEN, SHIH-RUEY T.;VAUGHAN, CRAIG W. |
分类号 |
C02F5/12 |
主分类号 |
C02F5/12 |
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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