(19)

(11)

EP 0 576 430 A1

(12)

(43) Date of publication: 05.01.1994 Bulletin 1994/01 (21) Application number: 92901497.0 (22) Date of filing: 27.12.1991

(51) International Patent Classification (IPC):  C07D 487/ 04( . ) G03C 7/ 38( . ) G03C 7/ 305( . ) (86) International application number: PCT/EP1991/002521 (87) International publication number: WO 1992/012464 (23.07.1992 Gazette 1992/19)

(84) Designated Contracting States: BE CH DE FR GB IT LI NL (30) Priority: 08.01.1991 GB 19910003210 (71) Applicants: KODAK LIMITED Hemel Hempstead, Hertfordshire HP1 1JU (GB) EASTMAN KODAK COMPANY Rochester, New York 14650-2201 (US)	(72) Inventor: CRAWLEY, Michael William Hemel Hempstead, Herts HP1 1JY (GB) (74) Representative: Daley, Michael John  F.J. CLEVELAND & COMPANY 40-43 Chancery Lane London WC2A 1JQ London WC2A 1JQ (GB)