Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Specially adapted for ruminant animal
Patent
1996-04-03
1998-02-03
Levy, Neil S.
Drug, bio-affecting and body treating compositions
Preparations characterized by special physical form
Specially adapted for ruminant animal
424422, 424423, 424473, A61K 952
Patent
active
057141606
ABSTRACT:
A delivery system is disclosed for delivering a beneficial agent to an animal. The delivery system comprises a wall that surrounds a lumen, said wall comprising a composition that limits the passage of fluid into the system and a composition that permits the passage of fluid into the system. The lumen comprises a beneficial agent and an expandable member. The delivery system comprises an exit means for delivering the beneficial agent.
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Cortese Richard
Eckenhoff James B.
Magruder Judy A.
Peery John R.
Wright Jeremy C.
ALZA Corporation
Dhuey John A.
Levy Neil S.
Rafa Michael
Sabatine Paul L.
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