SUBSTANTIALLY NICKEL-FREE PHOSPHATE CONVERSION COATING COMPOSITION AND PROCESS - Patent 0675972

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EP 0 675 972 A1

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(43)	Date of publication:
	11.10.1995 Bulletin 1995/41

(21)	Application number: 94904428.0

(22)	Date of filing: 15.12.1993

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International Patent Classification (IPC):

C23C 22/ 12^{( . )}
C23C 22/ 18^{( . )}

C23C 22/ 13^{( . )}
C23C 22/ 36^{( . )}

(86)	International application number:
	PCT/US1993/012044

(87)	International publication number:
	WO 1994/014999 (07.07.1994 Gazette 1994/15)

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

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Priority:

22.12.1992 US 19920995465

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

(72)	Inventors:
	MILLER, Robert W. Oakland, MI 48363 (US) PETSCHEL, Michael Rochester, MI 48063 (US)

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

(54)	SUBSTANTIALLY NICKEL-FREE PHOSPHATE CONVERSION COATING COMPOSITION AND PROCESS