| 发明名称 |
Passivation method and composition for galvanized metal surfaces |
| 摘要 |
Compositions and methods for passivating galvanized metal surfaces are disclosed. The addition of a paraffin wax, preferably emulsified with nonionic surfactants to commercial passivation treatment (non-chrome) enhances passivation.
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| 申请公布号 |
US5700525(A) |
申请公布日期 |
1997.12.23 |
| 申请号 |
US19960594883 |
申请日期 |
1996.02.07 |
| 申请人 |
BETZDEARBORN INC. |
发明人 |
OUYANG, JIANGBO;HARPEL, WILLIAM L. |
| 分类号 |
C23C22/08;C23C22/42;(IPC1-7):B05D3/00;B05D1/36 |
主分类号 |
C23C22/08 |
| 代理机构 |
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| 主权项 |
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