发明名称 |
Passivation treatment of tinplate |
摘要 |
<p>A chromium free passivation film for tinplate. The film is produced electrolytically by immersing tinplate in an aqueous solution of a soluble compound selected from potassium titanium oxalate, titanium sulphate and zirconium sulphate. The film so produced has sulphide stain resistance comparable to that produced by conventional chromium bearing passivating solutions. <IMAGE></p> |
申请公布号 |
EP0732425(A1) |
申请公布日期 |
1996.09.18 |
申请号 |
EP19960301491 |
申请日期 |
1996.03.05 |
申请人 |
BRITISH STEEL PLC |
发明人 |
REES, IEUAN STEPHEN;MCALISTER, JOHN ANTHONY |
分类号 |
C23C22/68;C25D5/48;C25D9/08;(IPC1-7):C25D5/48 |
主分类号 |
C23C22/68 |
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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