(19)

(11)

EP 0 879 030 A1

(12)

(43) Date of publication: 25.11.1998 Bulletin 1998/48 (21) Application number: 97904355.0 (22) Date of filing: 30.01.1997

(51) International Patent Classification (IPC):  A61F 2/ 16( . ) (86) International application number: PCT/EP1997/000408 (87) International publication number: WO 1997/027825 (07.08.1997 Gazette 1997/34)

(84) Designated Contracting States: AT CH DE ES FR GB IT LI NL SE (30) Priority: 02.02.1996 IT 1996MI00181 (71) Applicant: Soleko S.P.A. 03037 Pontecorvo (IT)	(72) Inventors: PIVOVAROV, Nicolay I-64029 Silvi Marina (IT) KAWAMUKAI, Motokage I-03037 Pontecorvo (IT) (74) Representative: Bottero, Claudio, et al  c/o Porta, Checcacci & Botti S.r.l. Viale Sabotino, 19/2 20135 Milano 20135 Milano (IT)