Patents by Inventor Yigal Gad

Yigal Gad has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Ocular drug delivery device
    Patent number: 3963025
    Abstract: Ocular drug delivery device comprising a bioerodible body of polymeric material sized and shaped for insertion in either conjunctival cul-de-sac that have improved retention in the eye. The devices have a stiffness and resistivity to bending manifested by a centroidal unsupported bending angle of less than 40.degree., preferably less than 20.degree., during the drug dispensing lifetime of the device.
    Type: Grant
    Filed: June 2, 1975
    Date of Patent: June 15, 1976
    Assignee: Alza Corporation
    Inventors: Gordon W. Whitaker, Yigal Gad