×

Solubility parameter based drug delivery system and method for altering drug saturation concentration

  • US 5,958,446 A
  • Filed: 05/04/1995
  • Issued: 09/28/1999
  • Est. Priority Date: 03/04/1988
  • Status: Expired due to Term
First Claim
Patent Images

1. A dermal composition, comprising a blend of:

  • (a) a polyacrylate and a second polymer selected from the group consisting of a polysiloxane and a hydrocarbon polymer; and

    (b) a therapeutically effective amount of a drug for transdermal administration,wherein the composition is a pressure-sensitive adhesive and the polyacrylate and the second polymer modulates the permeation rate of the drug through the dermis, and wherein the composition excludes a polyethylene/vinyl acetate copolymer.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×