(19)

(11)

EP 0 599 932 A1

(12)

(43) Date of publication: 08.06.1994 Bulletin 1994/23 (21) Application number: 92917631.0 (22) Date of filing: 19.08.1992

(51) International Patent Classification (IPC):  A61L 15/ 60( . ) A61L 15/ 16( . ) A61L 15/ 42( . ) C08G 18/ 28( . ) C08G 18/ 72( . ) A61F 13/ 53( . ) A61L 15/ 26( . ) C08G 18/ 10( . ) C08G 18/ 48( . ) (86) International application number: PCT/GB1992/001527 (87) International publication number: WO 1993/004101 (04.03.1993 Gazette 1993/06)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL SE (30) Priority: 20.08.1991 GB 19910017913 (71) Applicant: Smith & Nephew plc London WC2R 3BP (GB)	(72) Inventors: O'REILLY, Angela, Noeleen 73 Fallow Court Avenue London N12 0BE (GB) MILNER, Richard Barlow, Selby YO8 8EP (GB) SHELVEY, Michael, Francis Fangfoss York YO4 5QJ (GB) (74) Representative: Gilholm, Stephen Philip  Corporate Patents Department Smith & Nephew Group Research Centre York Science Park Heslington York YO1 5DF Heslington York YO1 5DF (GB)