发明名称 |
Compositions for treatment of metallic surfaces by means of fluorophosphate salts |
摘要 |
Steel, aluminum and aluminum alloys, zinc and zinc alloys are treated to improve corrosion resistance with an aqueous solution of a fluorophosphate salt to passivate the metal surface, before or after phosphatizing and prior to painting.
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申请公布号 |
US4132572(A) |
申请公布日期 |
1979.01.02 |
申请号 |
US19770789658 |
申请日期 |
1977.04.21 |
申请人 |
THE DIVERSEY CORPORATION |
发明人 |
PARANT, BERNARD;COT, LOUIS;GRANIER, WILLIAM;DURAND, JEAN-HENRI |
分类号 |
B05D7/14;C23C22/36;C23C22/60;C23C22/83;(IPC1-7):C23F7/04;C23F7/12;C23F7/14 |
主分类号 |
B05D7/14 |
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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