(19)

(11)

EP 0 571 406 A1

(12)

(43) Date of publication: 01.12.1993 Bulletin 1993/48 (21) Application number: 92903268.0 (22) Date of filing: 20.01.1992

(51) International Patent Classification (IPC):  A61L 27/ 18( . ) A61L 27/ 54( . ) C08G 18/ 83( . ) C08G 69/ 02( . ) C08G 73/ 00( . ) C08J 5/ 00( . ) A61L 27/ 22( . ) C08G 18/ 10( . ) C08G 69/ 00( . ) C08G 69/ 48( . ) C08G 81/ 00( . ) (86) International application number: PCT/EP1992/000129 (87) International publication number: WO 1992/013018 (06.08.1992 Gazette 1992/21)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IT LI LU NL SE (30) Priority: 25.01.1991 GB 19910017277 12.11.1991 GB 19910240002 (71) Applicants: KODAK LIMITED Harrow, Middlesex HA1 4TY (GB) EASTMAN KODAK COMPANY Rochester, New York 14650-2201 (US)

(72) Inventors: BAMFORD, Clement, Henry Harrow, Middlesex HA1 4TY (GB) AL-LAMEE, Kadem Gayard Harrow, Middlesex HA1 4TY (GB) Jones, Stephen Alister Harrow, Middlesex HA1 4TY (GB) Purbrick, Malcolm Donald Harrow, Middlesex HA1 4TY (GB) Waer Trevor John Harrow, Middlesex HA1 4TY (GB) (74) Representative: Nunney, Ronald Frederick Adolphe  Kodak Limited Patent Department Headstone Drive Harrow Middlesex HA1 4TY Harrow Middlesex HA1 4TY (GB)