发明名称 |
A method for anticorrosive treatment for soft water boilers. |
摘要 |
<p>A method of anticorrosive treatment for soft water boilers to prevent iron family metals from corrosion, especially from pitting corrosion, which is characterized by adding, to a boiler water system using soft water at a high temperature, (a) a specific amount of a phosphorus compound, (b) a specific amount of a carboxylic acid compound and (c) a specific amount of a metal compound.</p> |
申请公布号 |
EP0265723(A1) |
申请公布日期 |
1988.05.04 |
申请号 |
EP19870114604 |
申请日期 |
1987.10.07 |
申请人 |
KATAYAMA CHEMICAL WORKS CO., LTD. |
发明人 |
KATAYAMA, SAKAE;KATAYAMA, HIROHIKO;MUKAI, TOSHIHIKO;KAWASAKI, YOSHINARI |
分类号 |
C23F11/12;C23F11/08;C23F11/14;C23F11/167;C23F11/18;(IPC1-7):C23F11/08 |
主分类号 |
C23F11/12 |
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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