METHOD FOR TREATING ALUMINUM CONTAINING SURFACES - Patent 0679200

(19)

(11)

EP 0 679 200 A1

(12)

(43)	Date of publication:
	02.11.1995 Bulletin 1995/44

(21)	Application number: 92903444.0

(22)	Date of filing: 26.12.1991

(51)

International Patent Classification (IPC):

C23C 22/ 13^{( . )}
C23C 22/ 78^{( . )}

C23C 22/ 56^{( . )}

(86)	International application number:
	PCT/US1991/009668

(87)	International publication number:
	WO 1992/014862 (03.09.1992 Gazette 1992/23)

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

(30)

Priority:

25.12.1990 JP 19900405446

(71)	Applicant: HENKEL CORPORATION
	Ambler, Pennsylvania 19002 (US)

(72)	Inventors:
	MATSUSHIMA, Yasunobu Kawasaki-shi Kanagawa-ken (JP) TANAKA, Shigeo Yokohama-shi Kanagawa-ken (JP) TANI, Daijiro Yono-shi Saitama-ken (JP)

(74)	Representative: von Kreisler, Alek, Dipl.-Chem.
	Patentanwälte von Kreisler-Selting-Werner Postfach 10 22 41 D-50462 Köln D-50462 Köln (DE)

(54)	METHOD FOR TREATING ALUMINUM CONTAINING SURFACES