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Phenoxypyrazole composition and process for the solvent extraction of metals
专利权人:
John Campbell
发明人:
John Campbell,Ronald Matthys Swart,Lucy Emeleus,Susan Owens
申请号:
US12067719
公开号:
US08088810B2
申请日:
2006.08.07
申请国别(地区):
US
年份:
2012
代理人:
摘要:
A metal extractant comprising Formula (1) wherein R5, R6, R7 and R8 each independently are hydrogen, an optionally substituted hydrocarbyl group, an electron withdrawing group, an electron donating group, or one or more of R5 & R6, R6 & R7, R7 & R8 are linked in such way as to form an optionally substituted ring Y is N or CR9 wherein R9 is hydrogen, an optionally substituted hydrocarbyl, optionally substituted hydrocarbyloxy, optionally substituted hydrocarbyloxycarbonyl, optionally substituted hydrocarbylcarbonyloxy group, optionally substituted optionally substituted mono or dihydrocarbylaminocarbonyl group Z is N or CR10 wherein R10 is hydrogen, an optionally substituted hydrocarbyl, optionally substituted hydrocarbyloxy, optionally substituted hydrocarbyloxycarbonyl, optionally substituted hydrocarbylcarbonyloxy group, optionally substituted optionally substituted mono or dihydrocarbylaminocarbonyl group and tautomers or salts thereof, with the proviso that both Y and Z could be N provided that no more than one of Y or Z is N.
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