发明授权
- 专利标题： Methods for passivating a metal substrate and related coated metal substrates
- 专利标题（中）： 钝化金属基材和相关涂层金属基材的方法
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申请号： US12396051申请日： 2009-03-02
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公开(公告)号： US08282801B2公开(公告)日： 2012-10-09
- 发明人: Edward F. Rakiewicz , Mark W. McMillen , Richard F. Karabin , Michelle Miles
- 申请人： Edward F. Rakiewicz , Mark W. McMillen , Richard F. Karabin , Michelle Miles
- 申请人地址： US OH Cleveland
- 专利权人： PPG Industries Ohio, Inc.
- 当前专利权人： PPG Industries Ohio, Inc.
- 当前专利权人地址： US OH Cleveland
- 代理商 Steven W. Hays
- 主分类号： C25D13/00
- IPC分类号： C25D13/00
摘要：
Disclosed are methods for passivating metal substrates, including ferrous substrates, such as cold rolled steel and electrogalvanized steel. The methods comprise the steps of depositing an electropositive metal onto at least a portion of the substrate, followed immediately by electrophoretically depositing on the substrate a curable, electrodepositable coating composition. The present invention also relates to coated substrates produced by the above methods.
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