| 发明名称 |
Composition and method for producing chromate conversion coatings. |
| 摘要 |
<p>Chromate conversion coatings of improved corrosion resistance are produced through use of chromate conversion coating compositions containing alkane sulfonic acid.</p> |
| 申请公布号 |
EP0451409(A1) |
申请公布日期 |
1991.10.16 |
| 申请号 |
EP19900313096 |
申请日期 |
1990.12.03 |
| 申请人 |
MACDERMID INCORPORATED |
发明人 |
DERESH, LEV |
| 分类号 |
C23C22/27;C23C22/30;C23C22/33;C23C22/38 |
主分类号 |
C23C22/27 |
| 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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