(19)

(11)

EP 0 541 631 A1

(12)

(43) Date of publication: 19.05.1993 Bulletin 1993/20 (21) Application number: 91913878.0 (22) Date of filing: 24.07.1991

(51) International Patent Classification (IPC):  C07D 213/ 06( . ) C07F 5/ 02( . ) C07D 213/ 20( . ) G03G 9/ 097( . ) (86) International application number: PCT/US1991/005249 (87) International publication number: WO 1992/002504 (20.02.1992 Gazette 1992/05)

(84) Designated Contracting States: BE DE FR GB NL (30) Priority: 31.07.1990 US 19900560719 (71) Applicant: EASTMAN KODAK COMPANY Rochester, New York 14650-2201 (US)	(72) Inventors: ALEXANDROVICH, Peter, Steven Rochester, NY 14613 (US) BERMEL, Alexandra, DiLauro Spencerport, NY 14559 (US) PIERCE, Zonal, Reynolds Rochester, NY 14624 (US) WILSON, John, Charles Rochester, NY 14617 (US) (74) Representative: Brandes, Jürgen, Dr. rer. nat.  Wuesthoff & Wuesthoff Patent- und Rechtsanwälte Schweigerstrasse 2 D-81541 München D-81541 München (DE)