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Percutaneous absorption preparation

  • US 5,882,675 A
  • Filed: 03/07/1997
  • Issued: 03/16/1999
  • Est. Priority Date: 03/09/1996
  • Status: Expired due to Fees
First Claim
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1. A percutaneous absorption preparation comprising a backing having formed on one side thereof a pressure-sensitive adhesive layer containing a drug for percutaneous absorption use,wherein the pressure-sensitive adhesive layer contains(A) an acrylic copolymer which is an acrylic pressure-sensitive adhesive and(B) crosslinked acrylic copolymer particles prepared from an acrylic pressure-sensitive adhesive, wherein the crosslinked particles have a size of from about 0.05 to about 20 microns and are present in an amount of from about 70 to about 400 parts by weight of the acrylic copolymer.

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