Patents Assigned to Teikoko Seiyaku Co. Ltd.
  • Patent number: 6946514
    Abstract: An external plaster using an aqueous hot melted type adhesive base material stably containing water-soluble drug having good drug releasability, so that bioavailability of the drug is enhanced, is provided. The aqueous hot melted type adhesive base material used in the external plaster comprising as essential components a styrene-isoprene-styrene block copolymer, an adhesive resin, an antioxidant, lanolin, and water.
    Type: Grant
    Filed: November 29, 2000
    Date of Patent: September 20, 2005
    Assignee: Teikoko Seiyaku Co. Ltd.
    Inventor: Toshikuni Kawaji