(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