IMPROVEMENTS RELATING TO ELECTROLYSIS CELLS CONNECTED IN SERIES AND A METHOD FOR OPERATION OF SAME - Patent 2150639

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EP 2 150 639 A1

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(43)	Date of publication:
	10.02.2010 Bulletin 2010/06

(21)	Application number: 08723979.4

(22)	Date of filing: 10.03.2008

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International Patent Classification (IPC):

C25C 3/16^(2006.01)

(86)	International application number:
	PCT/NO2008/000087

(87)	International publication number:
	WO 2008/120993 (09.10.2008 Gazette 2008/41)

(84)	Designated Contracting States:
	AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR
	Designated Extension States:
	AL BA MK RS

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Priority:

02.04.2007 NO 20071766

(71)	Applicant: Norsk Hydro ASA
	0240 Olso (NO)

(72)	Inventors:
	OVSTETUN, Frank NO-6884 Ovre Ardal (NO) DROSTE, Christian D-53229 Bonn (DE)

(74)	Representative: Berg, André
	Hydro Aluminium AS Patent and Trademark Department Drammensveien 264 0240 Oslo 0240 Oslo (NO)

(54)	IMPROVEMENTS RELATING TO ELECTROLYSIS CELLS CONNECTED IN SERIES AND A METHOD FOR OPERATION OF SAME