Drug dispenser comprising a multiplicity of members acting toget

Details Drug dispenser comprising a multiplicity of members acting toget Drug dispenser comprising a multiplicity of members acting toget

1986-02-12

1987-12-29

Rose, Shep K.

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Capsules

424457, 424473, A61K 948, A61K 952

Patent

active

047160314

ABSTRACT:
A dispenser is disclosed for delivering a beneficial agent to an environment of use. The dispenser comprises a semipermeable wall surrounding a compartment containing a heat responsive composition, and an expandable composition. A passageway in the wall connects the compartment with the exterior of the dispenser.

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