Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Web – sheet or filament bases; compositions of bandages; or...
Patent
1991-06-28
1995-10-03
Zirker, Daniel R.
Drug, bio-affecting and body treating compositions
Preparations characterized by special physical form
Web, sheet or filament bases; compositions of bandages; or...
424449, 428354, 428905, A61F 1300, A61L 1544, A61L 1546
Patent
active
054550432
ABSTRACT:
A controlled release device useful for the release of vapors or liquids to the surrounding of the user is described. The device is a multilayered laminate consisting of a reservoir layer which incorporates an active compound, such as a nasally delivered therapeutic medication or insect repellant, an impermeable membrane layer adjacent the reservoir layer and a diffusion rate limiting membrane layer adjacent the reservoir layer. The device preferably includes an adhesive layer for adhering the device to skin or a surface and an ornamental decorative layer.
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