Exothermic topical delivery device

Details Exothermic topical delivery device Exothermic topical delivery device

2005-05-10

2005-05-10

Page, Thurman K. (Department: 1616)

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Web, sheet or filament bases; compositions of bandages; or...

C424S400000, C424S443000, C424S447000, C424S448000, C602S041000, C602S046000

Reexamination Certificate

active

06890553

ABSTRACT:
The present invention relates to an exothermic device for topically delivering an active agent comprising a liquid reservoir comprising water, a heating element comprising an oxidizable material, an oxygen-permeable outer-layer, an active agent, and a water-impermeable layer, wherein upon the rupturing of the liquid reservoir, the water contacts the heating element and the oxygen to create and exothermic reaction.

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