(19)
(11) EP 0 370 049 A1

(12)

(43) Date of publication:
30.05.1990 Bulletin 1990/22

(21) Application number: 88906543.0

(22) Date of filing: 23.06.1988
(51) International Patent Classification (IPC): 
A61K 31/ 135( . )
A61K 9/ 22( . )
A61K 9/ 50( . )
A61K 31/ 52( . )
A61K 38/ 46( . )
A61K 9/ 16( . )
A61K 9/ 28( . )
A61K 31/ 495( . )
A61K 38/ 43( . )
(86) International application number:
PCT/US1988/002131
(87) International publication number:
WO 1989/000045 (12.01.1989 Gazette 1989/02)
(84) Designated Contracting States:
BE CH FR GB IT LI NL SE

(30) Priority: 30.06.1987 DE 19873721574

(71) Applicant: RIKER LABORATORIES, INC.
Saint Paul Minnesota 55144-1000 (US)

(72) Inventors:
  • ZERBE, Horst-Georg
    P.O. Box 1340 D-4280 Borken 1 (DE)
  • BECKER, Jorn, Ullrich
    P.O. Box 1340 D-4280 Borken 1 (DE)

(74) Representative: Baillie, Iain Cameron, et al 
c/o Ladas & Parry Altheimer Eck 2
D-80331 München
D-80331 München (DE)

   


(54) PELLETS WITH ENZYMATICALLY CONTROLLED DRUG RELEASE