Solubility parameter based drug delivery system and method for a

Details Solubility parameter based drug delivery system and method for a Solubility parameter based drug delivery system and method for a

1994-01-07

1997-08-12

Venkat, Jyothsna

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

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

424448, A61F 1302

Patent

active

056562861

ABSTRACT:
A blend of at least two polymers, or at least one polymer and a soluble polyvinylpyrrolidone, in combination with a drug provides a pressure-sensitive adhesive composition for a transdermal drug delivery system in which the drug is delivered from the pressure-sensitive adhesive composition and through dermis when the pressure-sensitive adhesive composition is in contact with human skin. According to the invention, soluble polyvinylpyrrolidone can be used to prevent crystallization of the drug, without affecting the rate of drug delivery from the pressure-sensitive adhesive composition.

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