发明名称 |
Metal pieces and articles having improved corrosion resistance |
摘要 |
A metal piece having an organic coating with improved corrosion resistance and adhesion is described which comprises a zinc or zinc alloy plated metal piece having on its surface, a chromate film deposited from an aqueous acidic chromium solution comprising trivalent chromium as substantially the only chromium ion present, and a cathodic electrocoated siccative organic coating on the chromate film. A process for obtaining such coated metal pieces also is described.
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申请公布号 |
US7101469(B2) |
申请公布日期 |
2006.09.05 |
申请号 |
US20040985452 |
申请日期 |
2004.11.10 |
申请人 |
ATOTECH DEUTSCHLAND GMBH |
发明人 |
KOCHILLA JOHN R.;BISHOP MORGAN;STAPLES WILLIAM B. |
分类号 |
C25D11/38;C25D13/00;C25D13/04;C25D13/12 |
主分类号 |
C25D11/38 |
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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