| 发明名称 |
CORROSION PREVENTIVE METHOD |
| 摘要 |
PROBLEM TO BE SOLVED: To effectively prevent corrosion of metal for contacting with a water system without causing the problem of environmental pollution. SOLUTION: A tungsten acid and/or its salt and water soluble silicate are respectively made to exist in the water system so as to become (11:1 to 1:2) at a weight rate of W conversion:SiO<SB>2</SB>conversion. COPYRIGHT: (C)2004,JPO
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| 申请公布号 |
JP2003329388(A) |
申请公布日期 |
2003.11.19 |
| 申请号 |
JP20020137247 |
申请日期 |
2002.05.13 |
| 申请人 |
KURITA WATER IND LTD |
发明人 |
MORITA SATOSHI;KIRA MAYUMI;OTAKA HIDEO |
| 分类号 |
F28F19/00;C23F11/00;F24D3/10;(IPC1-7):F28F19/00 |
主分类号 |
F28F19/00 |
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