LOW SLUDGING COMPOSITION AND PROCESS FOR TREATING ALUMINUM AND ITS ALLOYS - Patent 0799326

(19)

(11)

EP 0 799 326 A1

(12)

(43)	Date of publication:
	08.10.1997 Bulletin 1997/41

(21)	Application number: 95943426.0

(22)	Date of filing: 22.12.1995

(51)

International Patent Classification (IPC):

C23C 22/ 00^{( . )}
C23C 22/ 10^{( . )}
C23C 22/ 36^{( . )}

C23C 22/ 07^{( . )}
C23C 22/ 34^{( . )}

(86)	International application number:
	PCT/US1995/016231

(87)	International publication number:
	WO 1996/019595 (27.06.1996 Gazette 1996/29)

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

(30)

Priority:

22.12.1994 JP 19940320545

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

(72)	Inventors:
	IINO, Yasuo Kanagawa-ken 254 (JP) SHIMIZU, Akio Isehara-shi, Kanagawa-ken 259-11 (JP) IKEDA, Toshihiro Kanagawa-ken 259-11 (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)	LOW SLUDGING COMPOSITION AND PROCESS FOR TREATING ALUMINUM AND ITS ALLOYS