Dispenser comprising inner positioned soft or hard capsule

Details Dispenser comprising inner positioned soft or hard capsule Dispenser comprising inner positioned soft or hard capsule

1986-02-14

1987-09-08

Rose, Shep K.

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Biocides; animal or insect repellents or attractants

424457, A61K 948, A61K 952

Patent

active

046923268

ABSTRACT:
A dispenser is disclosed for delivering a beneficial agent to an environment of use. The dispenser comprises a semipermeble 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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