AQUEOUS PHOSPHATING COMPOSITION AND PROCESS FOR METAL SURFACES - Patent 0966554

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EP 0 966 554 A1

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(43)	Date of publication:
	29.12.1999 Bulletin 1999/52

(21)	Application number: 98905967.0

(22)	Date of filing: 22.01.1998

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International Patent Classification (IPC):

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

C23C 22/ 17^{( . )}
C23C 22/ 36^{( . )}

(86)	International application number:
	PCT/US1998/000903

(87)	International publication number:
	WO 1998/032894 (30.07.1998 Gazette 1998/30)

(84)	Designated Contracting States:
	DE ES FR GB

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Priority:

24.01.1997 JP 19970011357

(71)	Applicant: HENKEL CORPORATION
	Gulph Mills, Pennsylvania 19406 (US)

(72)	Inventors:
	KAWAKAMI, Masahiko, Hattori D-2 Midori-ku, Nagoya-shi 458-0801 (JP) KOBAYASHI, Naoyuki, 456, Prejiu-Akagawa Nagoya-shi, Aichi-ken 465-0017 (JP) OYAMA, Kazuyuki, 468,Hirusaido-Shiogama 203 Nagoya-shi, Aichi-ken 468-00773 (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)	AQUEOUS PHOSPHATING COMPOSITION AND PROCESS FOR METAL SURFACES