Process for forming dispensing device

Details Process for forming dispensing device Process for forming dispensing device

1987-11-27

1989-11-28

Swisher, Nancy A. B.

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Specially adapted for ruminant animal

424468, 6048921, A61K 922, A61M 3100

Patent

active

048836672

ABSTRACT:
A dispensing device is disclosed for delivering a beneficial agent. The device comprises (1) a housing defining an internal space, (2) an expandable composition comprising a dense member in the space, (3) a composition comprising a beneficial agent and a non-toxic heat responsive carrier in the space, and (4) a passageway in the housing for delivering the beneficial agent from the dispensing device.

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