(19)

(11)

EP 0 252 076 A1

(12)

(43) Date of publication: 13.01.1988 Bulletin 1988/02 (21) Application number: 86900689.0 (22) Date of filing: 12.12.1985

(51) International Patent Classification (IPC):  A61K 9/ 00( . ) A61L 15/ 58( . ) A61K 9/ 70( . ) (86) International application number: PCT/US1985/002425 (87) International publication number: WO 1987/003477 (18.06.1987 Gazette 1987/13)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (71) Applicant: FLEXCON COMPANY, INC. Spencer, MA 01582 (US)	(72) Inventors: PENNACE, John, R. Paxton, MA 01612 (US) CIUCHTA, Cheryl Webster, MA 01570 (US) CONSTANTINE, David Spencer, MA 01562 (US) LOFTUS, Timothy East Brook Field, MA 01515 (US) (74) Representative: Lachat, Salomé  70, rue Fondary 75015 Paris 75015 Paris (FR)