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Sustained-release formulation containing an amino acid polymer with a lower alkyl (C.sub.1 -C.sub.4) polar solvent

  • US 4,713,244 A
  • Filed: 08/16/1985
  • Issued: 12/15/1987
  • Est. Priority Date: 08/16/1985
  • Status: Expired due to Fees
First Claim
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1. A sustained-release polymeric hydrogel dosage form useful for topical, systemic or transdermal administration of a medicinal agent comprising a cross-linked, polymerized hydrophilic polymer including an amino acid moiety in the polymer, in conjunction with a lower alkyl (C1 -C4) polar solvent and said medicinal agent in a therapeutically effective amount.

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