| 发明名称 |
ALUMINUM SURFACE CLEANING AGENT |
| 摘要 |
<p>Chromium free cleaning compositions for cleaning aluminum and aluminum alloy surfaces comprising A. from 0.2 - 4 g/l ferric ion and B. sufficient sulfuric and/or nitric acid to pro duce a pH of 2 or less. The invention also relates to compositions containing from 0.001 - 0.5 g/l of fluoride ions.</p> |
| 申请公布号 |
CA1263589(A) |
申请公布日期 |
1989.12.05 |
| 申请号 |
CA19850494107 |
申请日期 |
1985.10.29 |
| 申请人 |
AMCHEM PRODUCTS, INC. |
发明人 |
YAMASOE, KATSUYOSHI;YASUHARA, KIYOTADA;IKEDA, SATOSHI |
| 分类号 |
C23G1/12;(IPC1-7):C23G1/12 |
主分类号 |
C23G1/12 |
| 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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