发明名称 |
CORROSION INHIBITOR |
摘要 |
<p>A corrosion inhibitor which is comprised of a polyphosphate; a phosphonic acid or salt thereof; and a polymer of acrylic or methacrylic acid. The corrosion inhibitor is employed in aqueous systems and is capable of operating at a wide variety of conditions, including high temperature, high pH and in the presence of contaminants such as hydrogen sulfide and hydrocarbons. A typical composition is comprised of sodium hexametaphosphate, sodium salt of amino tri (methylene-phosphonic acid) and polyacrylic acid.</p> |
申请公布号 |
CA1042650(A) |
申请公布日期 |
1978.11.21 |
申请号 |
CA19740211005 |
申请日期 |
1974.10.08 |
申请人 |
DREW CHEMICAL CORPORATION |
发明人 |
GAUPP, RAYMOND H.;NYGREN, JOHN A. (JR.) |
分类号 |
C23F11/167;C23F11/08;C23F11/173;C23F11/18;F02C7/30;(IPC1-7):09K15/00;09K15/28;09K15/32 |
主分类号 |
C23F11/167 |
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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