| 发明名称 |
Method for recovering metal ions in aqueous liquid |
| 摘要 |
Esters of comenic acid were found to form metal chelate compounds with various metal ions and these chelate compounds are soluble in organic solvents. This finding makes it possible to recover or remove metal ions from industrial drainage and the like.
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| 申请公布号 |
US4079067(A) |
申请公布日期 |
1978.03.14 |
| 申请号 |
US19750544608 |
申请日期 |
1975.01.27 |
| 申请人 |
DAIICHI SEIYAKU CO., LTD. |
发明人 |
NAKATSUKA, KAZUNOBU;IMADA, KATSUMI |
| 分类号 |
C07D309/40;C07F19/00;(IPC1-7):C07D309/22 |
主分类号 |
C07D309/40 |
| 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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