(19)

(11)

EP 0 514 401 A1

(12)

(43) Date of publication: 25.11.1992 Bulletin 1992/48 (21) Application number: 91902954.0 (22) Date of filing: 04.02.1991

(51) International Patent Classification (IPC):  A61L 27/ 00( . ) A61L 27/ 32( . ) C03C 4/ 00( . ) A61F 2/ 28( . ) A61L 27/ 12( . ) C03C 3/ 097( . ) A61F 2/ 00( . ) (86) International application number: PCT/EP1991/000201 (87) International publication number: WO 1991/012032 (22.08.1991 Gazette 1991/19)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IT LI LU NL SE (30) Priority: 08.02.1990 IT 19900067096 (71) Applicant: S.E.I.P.I. SOCIETA ESPORTAZIONE IMPORTAZIONE PRODOTTI INDUSTRIALI S.p.A. I-20071 Casalpusterlengo (IT)	(72) Inventors: VITA FINZI ZALMAN, Emilio I-10134 Torino (IT) LOCARDI, Bruno I-30175 Venezia Mestre (IT) GABBI, Carlo I-43100 Parma (IT) TRANQUILLI LEALI, Paolo I-00162 Roma (IT) (74) Representative: Saconney, Piero, et al  c/o JACOBACCI & PERANI S.p.A. Corso Regio Parco, 27 I-10152 Torino I-10152 Torino (IT)