Spray on bandage and drug delivery system

Details Spray on bandage and drug delivery system Spray on bandage and drug delivery system

2005-10-25

2005-10-25

Dodson, Shelley A. (Department: 1616)

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

C424S443000, C424S449000

Reexamination Certificate

active

06958154

ABSTRACT:
The present invention provides novel “patch in a bottle” technology in which a fluid composition, e.g., an aerosol spray, is applied onto a surface as a fluid, but then dries to form a covering element, such as a patch, having a tack free outer surface covering an underlying adhesive that helps adhere the patch to the substrate. The fluid compositions have a unique chemical formulation that allows such composite patches to form in situ. Specifically, the fluid compositions include a tacky component, such as an adhesive, and a film-forming, non-tacky component. The non-tacky and tacky components are selected to be immiscible with each other so that the components undergo phase separation as the fluid composition dries.

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