| 发明名称 |
COMPOSITION AND PROCESS FOR ZINC PHOSPHATING |
| 摘要 |
Sludge generation in zinc phosphating solutions having accelerators other than hydroxylamine can be substantially reduced by adding from 0.02 to 0.4 % by weight of hydroxylamine to the solutions. |
| 申请公布号 |
ZA9003498(B) |
申请公布日期 |
1992.01.29 |
| 申请号 |
ZA19900003498 |
申请日期 |
1990.05.08 |
| 申请人 |
HENKEL CORPORATION |
发明人 |
THOMAS W. TULL;PAUL A. KULONGOWSKI |
| 分类号 |
C23C22/12;C23C22/13;C23C22/18;C23C22/22 |
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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