发明名称 |
PHOSPHORIC ACID ESTER* ITS MANUFACTURE AND ITS USE |
摘要 |
<p>New diphosphonic acid diesters in which the two phosphorus atoms are bound by a hydrocarbon group while each of the two acid functions of the diphosphonate is esterified by a radical having at least three carbon atoms are suitable for various known uses of the different diphosphonates and in particular for the complexing of heavy metals; they are used in particular for the extraction of uranium and metals associated with it.</p> |
申请公布号 |
JPS5677291(A) |
申请公布日期 |
1981.06.25 |
申请号 |
JP19800092818 |
申请日期 |
1980.07.09 |
申请人 |
ELF AQUITAINE |
发明人 |
JIYORUJIYU SUTEYURUTSU;CHIERI PANSE;JIYANNKUROODO GOOCHIE |
分类号 |
C09K3/00;C07F9/38;C07F9/40;C22B3/38;C22B60/02 |
主分类号 |
C09K3/00 |
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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