AN ECONOMIC METHOD FOR RESTORING THE OXIDATION POTENTIAL OF A PICKLING SOLUTION - Patent 1552038

(19)

(11)

EP 1 552 038 A1

(12)

(43)	Date of publication:
	13.07.2005 Bulletin 2005/28

(21)	Application number: 02807707.1

(22)	Date of filing: 30.08.2002

(51)	International Patent Classification (IPC)⁷: C23G 1/36, C23G 1/08, C23C 22/77, C23C 22/34

(86)	International application number:
	PCT/EP2002/009730

(87)	International publication number:
	WO 2004/020700 (11.03.2004 Gazette 2004/11)

(84)	Designated Contracting States:
	AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR
	Designated Extension States:
	RO SI

(71)	Applicant: Henkel Kommanditgesellschaft auf Aktien
	40589 Düsseldorf (DE)

(72)	Inventors:
	CORTELLARO, Giorgio 40597 Düsseldorf (DE) GIORDANI, Paolo I-26013 Crema (IT) DEMERTZIS, Ioannis I-20122 Milano (IT)

(54)	AN ECONOMIC METHOD FOR RESTORING THE OXIDATION POTENTIAL OF A PICKLING SOLUTION