| 发明名称 |
METHODS FOR TREATING A FERROUS METAL SUBSTRATE. |
| 摘要 |
<p>Disclosed are methods for treating and coating a ferrous metal substrate, such as cold rolled steel, hot rolled steel, and electrogalvanized steel. These methods include contacting the ferrous metal substrate with an aqueous pretreatment composition comprising: (a) a Group IIIB and/or IVB metal compound; (b) phosphate ions; and (c) water.</p> |
| 申请公布号 |
MX2010003475(A) |
申请公布日期 |
2010.04.14 |
| 申请号 |
MX20100003475 |
申请日期 |
2008.09.26 |
| 申请人 |
PPG INDUSTRIES OHIO, INC. |
发明人 |
RANDALL J. BRENT;NICEPHOROS A. FOTINOS;JOHN F. MCINTYRE;DAVID A. RANEY;RICHARD M. VARGAS |
| 分类号 |
C23C22/36;C23C22/08 |
主分类号 |
C23C22/36 |
| 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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