(19)

(11)

EP 0 673 445 A1

(12)

(43) Date of publication: 27.09.1995 Bulletin 1995/39 (21) Application number: 94902385.0 (22) Date of filing: 01.12.1993

(51) International Patent Classification (IPC):  C23C 22/ 07( . ) C23C 22/ 23( . ) C23C 22/ 08( . ) C23C 22/ 47( . ) (86) International application number: PCT/US1993/011435 (87) International publication number: WO 1994/013855 (23.06.1994 Gazette 1994/14)

(84) Designated Contracting States: BE DE ES FR GB IT NL (30) Priority: 09.12.1992 JP 19920351518 (71) Applicant: HENKEL CORPORATION Plymouth Meeting, PA 19462 (US)	(72) Inventors: AOKI, Tomoyuki Kanagawa-ken 253 (JP) YOSHIDA, Masayuki Nihon Parkerizing Kibogaoka Kanagawa-ken 241 (JP) (74) Representative: Jönsson, Hans-Peter, Dr., et al  Patentanwälte von Kreisler Selting Werner, Bahnhofsvorplatz 1 (Deichmannhaus) D-50667 Köln D-50667 Köln (DE)