(19)

(11)

EP 0 084 529 A1

(12)

(43) Date of publication: 03.08.1983 Bulletin 1983/31 (21) Application number: 81902190.0 (22) Date of filing: 30.07.1981

(51) International Patent Classification (IPC):  A61J 3/ 07( . ) (86) International application number: PCT/US1981/001019 (87) International publication number: WO 1983/000477 (17.02.1983 Gazette 1983/05)

(84) Designated Contracting States: AT CH DE FR GB LI LU NL SE (71) Applicant: R.P. SCHERER CORPORATION Troy, Michigan 48007-7060 (US)	(72) Inventor: PACE, Joseph A. Bethlehem, PA 18017 (US) (74) Representative: Rowe, Eric Nielsen, et al  Edward Evans & Co. Chancery House 53-64 Chancery Lane London WC2A 1SD London WC2A 1SD (GB)