METHOD OF PRE-TREATING METAL SUBSTRATES PRIOR TO PAINTING - Patent 0757726

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EP 0 757 726 A1

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(43)	Date of publication:
	12.02.1997 Bulletin 1997/07

(21)	Application number: 95915597.0

(22)	Date of filing: 12.04.1995

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International Patent Classification (IPC):

C25D 13/ 20^{( . )}
C23C 22/ 82^{( . )}

C23C 22/ 12^{( . )}
C23C 22/ 83^{( . )}

(86)	International application number:
	PCT/US1995/004303

(87)	International publication number:
	WO 1995/027809 (19.10.1995 Gazette 1995/45)

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

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Priority:

12.04.1994 JP 19940098249

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

(72)	Inventors:
	ISHII, Hitoshi A-203, COPO-ATOU Kanagawa-ken 254 (JP) NAGASHIMA, Yasuhiko Kanagawa-ken 254 (JP)

(74)	Representative: Sanderson, Laurence Andrew, et al
	SANDERSON & CO. European Patent Attorneys 34, East Stockwell Street Colchester Essex CO1 1ST Colchester Essex CO1 1ST (GB)

(54)	METHOD OF PRE-TREATING METAL SUBSTRATES PRIOR TO PAINTING