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(11)    Patent No :    AP 2382    (73) Applicant(s)       
(21)    Application No :    AP/P/2008/004377    CYTEC TECHNOLOGY CORP., 300 Delaware Avenue,       
            Wilmington, 19801,       
                   
(22)    Filing Date :    07.08.2006    United States of America       
(24)    Date of Grant &    15.03.2012           
                   
(45)    Publication :

(30)    Priority Data            (72) Inventors   
    (33) Country    (31) Number    (32) Date    CAMPBELL John, United Kingdom   
    US    60/717,042    14.09.2005    SWART Ronald Matthys, United Kingdom   
                   
                EMELEUS Lucy, United Kingdom   
                et al       
                (74) Representative   
(84)    Designated State           
                   
    ZM            HONEY & BLANCKENBERG   
                   
(51)    International    Classification    C07D 231/12 (2006.01)    C07D 3/00 (2006.01)   

(54)    Title

Phenoxypyrazole composition and process for the solvent extraction of metals

(57)    Abstract

A metal extractant comprising Formula (I) 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.

(56)    Documents Cited :    WO 03/053986 A   SAMMOUR et al: Journal Fur Praktische Chemie vol.: 314, No. 2, 1972,

pp271-280    US 2 721 143 A

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