Temperature activated controlled release device

Details Temperature activated controlled release device Temperature activated controlled release device

A - Human Necessities

01

N

A01N 25/10 (2006.01) A45D 37/00 (2006.01) A61K 9/20 (2006.01) A61K 9/28 (2006.01) A61K 9/70 (2006.01) A61K 47/30 (2006.01) A61M 37/00 (2006.01)

Patent

CA 2060113

Abstract A polymeric device for the controlled release of active agents contained in the device in which the polymer has a glass transition temperature greater than the normal storage or non use temperature of the device. When heated to or above the glass transition temperature of the polymer, the active agent is released. The release of active agent can be switched on or off by the adjustment of the temperature of the polymeric device above or below the glass transition temperature of the polymer.

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