OPERATION OF ALUMINIUM ELECTROWINNING CELLS HAVING METAL-BASED ANODES - Patent 1392893

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EP 1 392 893 A2

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(88)	Date of publication A3:
	13.03.2003

(43)	Date of publication:
	03.03.2004 Bulletin 2004/10

(21)	Application number: 02735691.4

(22)	Date of filing: 28.05.2002

(51)	International Patent Classification (IPC)⁷: C25C 3/18

(86)	International application number:
	PCT/IB2002/001952

(87)	International publication number:
	WO 2002/097167 (05.12.2002 Gazette 2002/49)

(84)	Designated Contracting States:
	AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
	Designated Extension States:
	AL LT LV MK RO SI

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Priority:

30.05.2001 WO PCT/IB01/00954

(71)	Applicant: MOLTECH Invent S.A.
	1520 Luxembourg (LU)

(72)	Inventors:
	NGUYEN, Thinh, T. CH-1213 Onex (CH) DE NORA, Vittorio Nassau (BS)

(74)	Representative: Cronin, Brian
	c/o Moltech S.A.,Quai du Mont-Blanc 21 1201 Geneva 1201 Geneva (CH)

(54)	OPERATION OF ALUMINIUM ELECTROWINNING CELLS HAVING METAL-BASED ANODES