| 发明名称 |
Post phosphating inhibiting rinse |
| 摘要 |
Phosphated ferrous metal surfaces are treated with a rinse containing citric acid and sodium nitrite to enhance corrosion protection. This rinse has the advantages of providing an effluent which is not objectionable from an environmental viewpoint and does not stain the treated surfaces.
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| 申请公布号 |
US4124414(A) |
申请公布日期 |
1978.11.07 |
| 申请号 |
US19770800558 |
申请日期 |
1977.05.25 |
| 申请人 |
BASF WYANDOTTE CORPORATION |
发明人 |
OTRHALEK, JOSEPH V.;AJLUNI, RAYMOND M.;GOMES, GILBERT S. |
| 分类号 |
C23C22/83;(IPC1-7):C23F7/10 |
主分类号 |
C23C22/83 |
| 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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