(19)

(11)

EP 0 345 305 A1

(12)

(43) Date of publication: 13.12.1989 Bulletin 1989/50 (21) Application number: 88907882.0 (22) Date of filing: 08.08.1988

(51) International Patent Classification (IPC):  G03F 7/ 022( . ) G03F 7/ 26( . ) (86) International application number: PCT/US1988/002676 (87) International publication number: WO 1989/005475 (15.06.1989 Gazette 1989/13)

(84) Designated Contracting States: DE FR GB (30) Priority: 10.12.1987 US 19870131365 (71) Applicant: MACDERMID INCORPORATED Waterbury Connecticut 06720 (US)	(72) Inventors: GAL, Chava Ramot Hashavim (IL) BEN-SHUSHAN, Giora Ra'anana (IL) ARONHIME, Marc, T. Jerusalem (IL) JOHN, J., Grunwald Ramat Gan (IL) (74) Representative: Bankes, Stephen Charles Digby, et al  BARON & WARREN 18 South End Kensington London W8 5BU London W8 5BU (GB)