| 发明名称 |
METHOD AND COMPOSITION OF INHIBITING SCALE |
| 摘要 |
<p>The invention disclosed relates to a method for using a new improved composition for inhibiting or preventing accumulation of scale or the like on heating surfaces in an aqueous system. The present composition includes an acrylic polymer, a water-soluble chelant, and an organophosphonic acid and/or their water-soluble salts. In a preferred embodiment, the composition is composed of sodium polymethylacrylate, nitrilotriacetic acid and hydroxyethylidene diphosphonic acid as its water-soluble salts.</p> |
| 申请公布号 |
CA1039613(A) |
申请公布日期 |
1978.10.03 |
| 申请号 |
CA19740213099 |
申请日期 |
1974.11.04 |
| 申请人 |
CHEMED CORPORATION |
发明人 |
HWA, CHIH M.;CUISIA, DIONISIO G.;SALUTSKY, MURRELL L. |
| 分类号 |
C02F5/00;C02F5/08;C02F5/10;C02F5/12;C02F5/14;C23F14/02;(IPC1-7):11D1/00;11D3/06;11D3/36 |
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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