发明名称 |
Anticorrosive agent and corrosion protection process for metal surfaces |
摘要 |
An agent and process for the corrosion protection treatment of a metal surface are provided. The metal surface is contacted with a homo- or copolymer of vinylpyrrolidone, the application solution containing a) 0.02 to 20 g/l phosphoric acid and/or at least one fluoric acid of one or more elements selected from Zr, Ti, Hf and Si or anions thereof, as well as b) 10 to 49.9 g/l of a homo- or copolymer of vinylpyrrolidone.
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申请公布号 |
US2004151619(A1) |
申请公布日期 |
2004.08.05 |
申请号 |
US20030734815 |
申请日期 |
2003.12.11 |
申请人 |
QUELLHORST HEIKE;KOCH ALINA M.;DRONIOU PATRICK;PAWLIK MARIAN |
发明人 |
QUELLHORST HEIKE;KOCH ALINA M.;DRONIOU PATRICK;PAWLIK MARIAN |
分类号 |
C23C22/08;C23C22/34;C23C22/36;C23C22/83;(IPC1-7):C23F11/00;C23F11/167 |
主分类号 |
C23C22/08 |
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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