COPPER RECOVERY PROCESS - Patent 0599911

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EP 0 599 911 A1

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(43)	Date of publication:
	08.06.1994 Bulletin 1994/23

(21)	Application number: 92917245.0

(22)	Date of filing: 06.08.1992

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International Patent Classification (IPC):

C22B 3/ 04^{( . )}
C22B 3/ 20^{( . )}
C22B 15/ 00^{( . )}

C22B 3/ 14^{( . )}
C22B 3/ 26^{( . )}

(86)	International application number:
	PCT/US1992/006408

(87)	International publication number:
	WO 1993/004208 (04.03.1993 Gazette 1993/06)

(84)	Designated Contracting States:
	ES

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Priority:

14.08.1991 US 19910745028

(71)	Applicant: HENKEL CORPORATION
	Plymouth Meeting, PA 19462 (US)

(72)	Inventor:
	SIERAKOSKI, Joseph M. Tucson, AZ 85737 (US)

(74)	Representative: von Kreisler, Alek, Dipl.-Chem., et al
	Patentanwälte, von Kreisler-Selting-Werner, Bahnhofsvorplatz 1 (Deichmannhaus) D-50667 Köln D-50667 Köln (DE)

(54)	COPPER RECOVERY PROCESS