SULFONAMIDO OXIMES

Certain sulfonamido oximes, metal complexes thereof and solutions of said compounds in essentially water-immiscible, liquid hydrocarbon solvents are disclosed. The sulfonamido oximes have the general structural formula: wherein A, R1, R2 and R3 are as defined in the specification and claims hereof....

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Bibliographische Detailangaben
Hauptverfasser:	MICHAEL JOSEPH VIRNIG, KENNETH DONALD MACKAY
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F FERROUS OR NON-FERROUS ALLOYS INORGANIC CHEMISTRY METALLURGY PRETREATMENT OF RAW MATERIALS PRODUCTION AND REFINING OF METALS TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:	Certain sulfonamido oximes, metal complexes thereof and solutions of said compounds in essentially water-immiscible, liquid hydrocarbon solvents are disclosed. The sulfonamido oximes have the general structural formula: wherein A, R1, R2 and R3 are as defined in the specification and claims hereof. Particular metal values are recovered from their aqueous solutions by using sulfonamido oximes dissolved in essentially water-immiscible liquid hydrocarbon solvents. The extraction process involves contacting the metal value containing aqueous solution with the solution of the sulfonamido oxime in essentially water-immiscible liquid hydrocarbon solvent and stripping the mertal values from the loaded organic phase.