发明授权
- 专利标题： Corrosion-stable aluminum pigments and process for the production thereof
- 专利标题（中）： 腐蚀稳定的铝颜料及其生产方法
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申请号： US09323632申请日： 1999-06-01
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公开(公告)号： US06428846B2公开(公告)日： 2002-08-06
- 发明人: Günter Kaupp , Werner Ostertag , Günter Sommer
- 申请人： Günter Kaupp , Werner Ostertag , Günter Sommer
- 优先权： DE19635085 19960830
- 主分类号： C23C1414
- IPC分类号： C23C1414
摘要：
In aluminum-based metal pigments produced by physical vapor deposition of a metal film and subsequent crushing of the metal film metal surfaces which are exposed after the operation of crushing the metal film and in particular fracture surfaces thereof are covered with a passivating protective layer to afford corrosion stability of those metal pigments.
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