Patents Represented by Attorney Joseph E. DiPrima

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  • Transdermal drug delivery system
    Patent number: 4880633
    Abstract: A multilaminate transdermal drug delivery system containing only dissolved drug in the drug reservoir is described. The delivery system comprises a backing layer, a reservoir layer and a membrane layer, wherein the drug in the reservoir is completely dissolved and the control of delivery is effected by the joint action of reservoir and membrane.
    Type: Grant
    Filed: July 7, 1988
    Date of Patent: November 14, 1989
    Assignee: Merck & Co., Inc.
    Inventors: Alice E. Loper, Anup K. Majumdar