Pressure-sensitively adhering composite medicinal preparation
October 24, 2009. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3122475 3699963 3742951 3797494 Bandage for transdermally administering scopolamine to prevent nausea Therapeutic system for administering drugs to the skin Adhesive-coated sheet material incorporating anti-bacterial substances Percutaneous absorption type pharmaceutical preparation of isosorbide dinitrate or pentaerythritol tetranitrate in pressure-sensitive laminate Adhesive-coated sheet material incorporating anti-bacterial substances Long-lasting three-layered pharmaceutical film preparations Patent #: 4483846 InventorsAssigneeApplicationNo. 426526 filed on 10/24/1989US Classes:424/443, Web, sheet or filament bases; compositions of bandages; or dressings with incorporated medicaments424/448Pressure sensitive adhesive meansExaminersPrimary: Page, Thurman K.Assistant: Horne, Leon R. Attorney, Agent or FirmForeign Patent References
International ClassA61F 013/00Foreign Application Priority Data1981-08-27 JPAbstractA pressure-sensitively adhering multilayer medicinal preparation comprises a pressure-sensitively adhering macromolecular substance layer and a polymer layer adjacent thereto and the drug and adjuvant incorporated in said preparation each can migrate from the layer of its original incorporation into the other, said adjuvant being capable of increasing absorption of the drug. In such preparation, the drug amount per unit volume can be increased.Other References
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