Patents Represented by Attorney Mike J. Rafa

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  • Drug delivery devices and process of manufacture
    Patent number: 6007837
    Abstract: An improved process for manufacturing transdermal drug delivery devices and devices made therefrom. The invention provides a heat equilibration process for the manufacture of drug delivery devices which eliminates the need to preload the body contacting layer with a drug. The method has particular application in the manufacture of transdermal drug delivery devices including a drug reservoir comprising drug in excess of saturation.
    Type: Grant
    Filed: February 3, 1999
    Date of Patent: December 28, 1999
    Assignee: Alza Corporation
    Inventors: David J. Enscore, Patricia S. Campbell, Diane Nedberge, Richard D. Frame