Adherent and erodible film to treat a moist surface of a body tissue
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United States of America Patent
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N/A
Issued Date -
Apr 6, 2006
app pub date -
Jul 29, 2005
filing date -
Aug 16, 2001
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A thin, flexible, bilayer or multi-layer film which when applied to a moist surface of a body tissue adheres and delivers an active agent, pharmaceutical compound, nutraceutical, flavor or other substance to the underlying surface and/or body cavity and erodes at a predetermined rate. In one application, the amount of time that the active agent remains in contact with the teeth surfaces is controlled by the composition and thickness of the backing layer of the composite film. This erosion or residence time can be regulated from one half hour to several hours, depending upon the desired therapeutic or cosmetic application.
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