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Bioerodable film for delivery of pharmaceutical compounds of mucosal surfaces

  • US 6,159,498 A
  • Filed: 09/01/1998
  • Issued: 12/12/2000
  • Est. Priority Date: 10/18/1996
  • Status: Expired due to Term
First Claim
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1. A biodegradable, water-soluble pharmaceutical carrier device comprising a layered flexible film having a first water-soluble adhesive layer to be placed in contact with the mucosal surface and a second, water-soluble non-adhesive backing layer, and a pharmaceutical or combination of pharmaceuticals incorporated with said first or second layer, wherein said first water-soluble adhesive layer comprises hydroxyethyl cellulose, polyacrylic acid, and sodium carboxymethyl cellulose;

  • and said second water-soluble non-adhesive backing layer comprises hydroxyethyl cellulose.

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