METHOD FOR CLEANING ALUMINUM AT LOW TEMPERATURES - Patent 0640153

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EP 0 640 153 A1

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(43)	Date of publication:
	01.03.1995 Bulletin 1995/09

(21)	Application number: 93911127.0

(22)	Date of filing: 12.05.1993

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International Patent Classification (IPC):

C11D 1/ 72^{( . )}

C23G 1/ 12^{( . )}

(86)	International application number:
	PCT/US1993/004316

(87)	International publication number:
	WO 1993/023590 (25.11.1993 Gazette 1993/28)

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

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Priority:

14.05.1992 AU 19920002410

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

(72)	Inventors:
	BROWN, Malcolm David Glen Waverley, VIC (AU) LAMBDEN, Shane Peter Kalorama, VIC (AU)

(74)	Representative: Jönsson, Hans-Peter, Dr., et al
	Patentanwälte von Kreisler Selting Werner, Bahnhofsvorplatz 1 (Deichmannhaus) D-50667 Köln D-50667 Köln (DE)

(54)	METHOD FOR CLEANING ALUMINUM AT LOW TEMPERATURES