METHOD FOR STRIPPING METALS IN SOLVENT EXTRACTION - Patent 0525125

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EP 0 525 125 A1

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(43)	Date of publication:
	03.02.1993 Bulletin 1993/05

(21)	Application number: 91919007.0

(22)	Date of filing: 10.04.1991

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International Patent Classification (IPC):

C02F 1/ 26^{( . )}
C22B 3/ 20^{( . )}
C22B 3/ 38^{( . )}

C02F 1/ 70^{( . )}
C22B 3/ 30^{( . )}

(86)	International application number:
	PCT/US1991/002452

(87)	International publication number:
	WO 1991/016465 (31.10.1991 Gazette 1991/25)

(84)	Designated Contracting States:
	AT DE ES FR GB IT

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Priority:

18.04.1990 US 19900510684

(71)	Applicant: THE CURATORS OF THE UNIVERSITY OF MISSOURI OF COLUMBIA
	Columbia, MO 65211 (US)

(72)	Inventor:
	O'KEEFE, Thomas, J. Rolla, MO 65401 (US)

(74)	Representative: Laufhütte, Dieter, Dr.-Ing.
	Lorenz-Seidler-Gossel Widenmayerstrasse 23 D-80538 München D-80538 München (DE)

(54)	METHOD FOR STRIPPING METALS IN SOLVENT EXTRACTION