| 发明名称 |
Non-chrome passivation for metal substrates |
| 摘要 |
Aqueous acid solutions for treating metal surfaces such as aluminum and galvanized steel are disclosed. The solutions are mixtures of organophosphates or phosphonates and chloride or fluoride. The treating solutions can be used in place of chromium treating solutions. |
| 申请公布号 |
AU6352794(A) |
申请公布日期 |
1994.10.11 |
| 申请号 |
AU19940063527 |
申请日期 |
1994.02.23 |
| 申请人 |
PPG INDUSTRIES, INC. |
发明人 |
RALPH C GRAY;MICHAEL J PAWLIK;PAUL J PRUCNAL;CHRISTOPHER J BALDY |
| 分类号 |
C23C22/07;C23C22/34;C23C22/36;C23C22/80;C23C22/83 |
主分类号 |
C23C22/07 |
| 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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