发明名称 |
Treatment for water systems to inhibit corrosion and scale formation |
摘要 |
This invention relates to an improved composition and method which inhibit the corrosion of and the formation of scale on metals present in an aqueous system. The composition comprises a water soluble copolymer having moieties derived from acrylic acid and from lower alkyl hydroxy acrylates, and a combination of a manganese compound and an aminoalkylenephosphonic acid derivative or its salts.
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申请公布号 |
US4774018(A) |
申请公布日期 |
1988.09.27 |
申请号 |
US19870061648 |
申请日期 |
1987.06.15 |
申请人 |
THE DOW CHEMICAL COMPANY |
发明人 |
CHAGNARD, JR., HAROLD A.;LEBLANC, THOMAS R.;BRAYDEN, MARK K. |
分类号 |
C02F5/00;C02F5/08;C02F5/10;C02F5/12;C02F5/14;C08L33/04;C08L33/14;C08L33/24;C08L33/26;C23F11/08;F02B75/02;(IPC1-7):C02F5/12 |
主分类号 |
C02F5/00 |
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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