(19)

(11)

EP 0 813 620 A1

(12)

(43) Date of publication: 29.12.1997 Bulletin 1997/52 (21) Application number: 96907132.0 (22) Date of filing: 05.03.1996

(51) International Patent Classification (IPC):  C23C 22/ 16( . ) C23C 22/ 36( . ) (86) International application number: PCT/US1996/002677 (87) International publication number: WO 1996/027692 (12.09.1996 Gazette 1996/41)

(84) Designated Contracting States: AT DE ES FR GB (30) Priority: 07.03.1995 JP 19950047605 (71) Applicant: HENKEL CORPORATION Plymouth Meeting, PA 19462 (US)	(72) Inventors: ISHII, Hitoshi Hiratsuka-shi, Kanagawo-ken 254 (JP) NAGASHIMA, Yasuhiko Hiratsuka-shi, Kamagawa-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)