Agent dispenser comprising a multiplicity of members...

Details Agent dispenser comprising a multiplicity of members... Agent dispenser comprising a multiplicity of members...

A - Human Necessities

61

K

128/104

A61K 9/48 (2006.01) A61K 9/00 (2006.01) A61M 31/00 (2006.01)

Patent

CA 1252359

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.

472249

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