发明名称 |
Phosphating process with a metalliferous re-rinsing stage |
摘要 |
A process for phosphating metal surfaces in which a nitrite- and nickel-free zinc-containing phosphating solution is applied to the metal surfaces which, if desired, are then rinsed and subsequently after-rinsed with an aqueous solution with a pH value of 3 to 7 which contains 0.001 to 10 g/l of one or more of the cations of Li, Cu and Ag.
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申请公布号 |
US6395105(B1) |
申请公布日期 |
2002.05.28 |
申请号 |
US20000617886 |
申请日期 |
2000.07.17 |
申请人 |
HENKEL KOMMANDITGESELLSCHAFT AUF AKTIEN |
发明人 |
WICHELHAUS WINFRIED;ENDRES HELMUT;GOTTWALD KARL-HEINZ;SPECKMANN HORST-DIETER;BROUWER JAN-WILLEM |
分类号 |
C23C22/12;C23C22/83;(IPC1-7):C23C22/07 |
主分类号 |
C23C22/12 |
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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