3797494 is referenced by 330 patents and cites 6 patents.

A bandage for use in the continuous administration of drugs to the skin or mucosa, comprising a backing member defining one exterior surface, a surface of pressure-sensitive adhesive defining a second exterior surface, and disposed therebetween a reservoir containing drug formulation confined therein. The reservoir can comprise a distinct layer of the bandage or a plurality of microcapsules distributed throughout the adhesive surface, and in either case the drug can be confined within an interior chamber of the reservoir or distributed throughout a reservoir matrix. The drug passes through drug release rate controlling microporous material which continuously meters the flow of drug by viscous or diffusive transfer to the skin or mucosa at a controlled and predetermined rate over a period of time.

Bandage for the administration of drug by controlled metering through microporous materials
Application Number
Publication Number
Application Date
August 9, 1971
Publication Date
March 19, 1974
Zaffaroni Alejandro
Alza Corporation
A61l 15/06
A61M 31/00
A61F 09/00
A61L 15/58
A61L 15/16
A61K 09/70
A61K 09/00
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