| 发明名称 |
CORROSION INHIBITOR COMPRISING TANNIN OR DERIVATIVE THEREOF |
| 摘要 |
<p>TITLE OF THE INVENTION CORROSION-INHIBITOR COMPRISING TANNIN OR DERIVATIVE THEREOF Corrosion in liquid, especially aqueous systems such as cooling systems, is controlled by the addition of a vegetable tannin or a derivative thereof and a water soluble salt of a Group II metal, in particular zinc, magnesium or calcium.</p> |
| 申请公布号 |
CA1268028(A) |
申请公布日期 |
1990.04.24 |
| 申请号 |
CA19850475243 |
申请日期 |
1985.02.27 |
| 申请人 |
GRACE DEARBORN LIMITED |
发明人 |
LONGWORTH, STUART W.;BAKER, JOHN G. |
| 分类号 |
C09K5/20;C23F11/08;(IPC1-7):C23F11/12;C09D1/00 |
主分类号 |
C09K5/20 |
| 代理机构 |
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代理人 |
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| 主权项 |
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