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Polyurethane diacrylate compositions as carrier for pharmacological agents

  • US 4,439,585 A
  • Filed: 09/02/1982
  • Issued: 03/27/1984
  • Est. Priority Date: 11/12/1980
  • Status: Expired due to Fees
First Claim
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1. An oral delivery system comprising a pharmacologically active agent and as a carrier vehicle therefor a hydrophylic polyurethane diacrylate composition which will form a hydrogel upon immersion in water and is permeable to gases, ions and other low molecular weight species, which composition is dimensionally stable and exhibits memory, said polyurethane diacrylate composition comprising from about 90 to about 65 weight percent of a hydrophilic polyurethane resin characterized by terminal hydroxyl groups and from about 10 to about 35 weight percent of a diacrylate.

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