Diffusion matrix for transdermal drug administration and...

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

A - Human Necessities

61

M

167/159

A61M 35/00 (2006.01) A61K 9/70 (2006.01)

Patent

CA 1308655

-27- DIFFUSION MATRIX FOR TRANSDERMAL DRUG ADMINISTRATION AND TRANSDERMAL DRUG DELIVERY DEVICES INCLUDING SAME 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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