Diffusion matrix for transdermal drug administration and transde

Details Diffusion matrix for transdermal drug administration and transde Diffusion matrix for transdermal drug administration and transde

1988-04-08

1990-03-27

Page, Thurman K.

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

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

424447, 424448, A61F 1300

Patent

active

049119168

ABSTRACT:
A solid state, resilient laminated composite for administering a drug transdermally consisting of a top layer of a resilient elastomer; a middle diffusion matrix layer composed of a polyurethane macroporous foam framework in whose pores are embedded a viscoelastic blend of a medical grade polysiloxane adhesive, drug, and optionally a percutaneous absorption enhancer, and a basal surface layer of the medical grade polysiloxane adhesive.

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