| 发明名称 |
Nickel-free metal phosphating composition and method for use |
| 摘要 |
Nickel-free aqueous phosphating compositions containing zinc ions, cobalt ions, phosphate ions, and at least two additional cations; methods for using such composition, and products of the methods.
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| 申请公布号 |
US4717431(A) |
申请公布日期 |
1988.01.05 |
| 申请号 |
US19870018885 |
申请日期 |
1987.02.25 |
| 申请人 |
AMCHEM PRODUCTS, INC. |
发明人 |
KNASTER, MARK B.;SKOWRONEK, WILLIAM R. |
| 分类号 |
C23C22/18;C23C22/20;C23C22/22;(IPC1-7):C23C22/08 |
主分类号 |
C23C22/18 |
| 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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