发明名称 |
Calixarene acetamido derivatives, preparation and use thereof for extracting strontium |
摘要 |
The invention concerns derivatives of calixarene having the formula:in which:R<1 >represents various hydrocarbon groups,R<2 >and R<3 >represent an alkyl, cycloalkyl or aryl group or a group having the formula: O(CH2)n[O(CH2)p]q OR<4>, or form a heterocyclic group with the nitrogen atom, and,n equals 6, 7 or 8.These derivatives can be used for extracting strontium from aqueous solutions.
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申请公布号 |
US6709642(B1) |
申请公布日期 |
2004.03.23 |
申请号 |
US20020049493 |
申请日期 |
2002.02.12 |
申请人 |
COMMISSARIAT A L'ENERGIE ATOMIGUIE |
发明人 |
DOZOL JEAN-FRANCOIS;UNGARO ROCCO;CASNATI ALESSANDRO |
分类号 |
C07C231/12;C07C235/20;C22B3/26;C22B26/10;C22B26/20;G21F9/12;(IPC1-7):B01D11/00;C07D203/00 |
主分类号 |
C07C231/12 |
代理机构 |
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代理人 |
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主权项 |
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