(19)

(11)

EP 0 909 301 A1

(12)

(43) Date of publication: 21.04.1999 Bulletin 1999/16 (21) Application number: 97926102.0 (22) Date of filing: 12.06.1997

(51) International Patent Classification (IPC):  A61L 24/ 04( . ) C08G 63/ 60( . ) A61L 27/ 18( . ) C08G 67/ 04( . ) (86) International application number: PCT/GB1997/001586 (87) International publication number: WO 1997/048782 (24.12.1997 Gazette 1998/03)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 15.06.1996 GB 19960012581 (71) Applicant: Smith & Nephew plc London WC2R 3BP (GB)	(72) Inventors: ALI, Saad, Aboul, Majeed York YO1 5HQ (GB) ROSE, John York YO4 5LT (GB) SEARLE, Richard, John York YO2 6HE (GB) (74) Representative: Draggett, Peter Thornton, et al  Group Patents & Trade Marks Dept., Smith & Nephew Group Research Centre, York Science Park Heslington, York Y010 5DF Heslington, York Y010 5DF (GB)