| 发明名称 |
PHOSPHATE COATING OF METAL SUBSTRATES |
| 摘要 |
Water-soluble lignosulphonate salts when present in an acid metal phosphating solution modify the physical form of sludge produced therein when the solution is used to treat a metal substrate. Process efficiency is improved. |
| 申请公布号 |
AU3087777(A) |
申请公布日期 |
1979.05.31 |
| 申请号 |
AU19770030877 |
申请日期 |
1977.11.23 |
| 申请人 |
IMPERIAL CHEMICAL INDUSTRIES LTD |
发明人 |
MICHAEL BROCK;BRIAN ALFRED COOKE |
| 分类号 |
C23C22/12 |
主分类号 |
C23C22/12 |
| 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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