Patents by Inventor Nancy S. Hardt

Nancy S. Hardt 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).

  • Surface modified silicone drug depot
    Patent number: 6274159
    Abstract: An improved implantable pharmaceutical depot for the prolonged release of at least one biologically active substance, the depot comprising a polymeric carrier and the biologically active substance, the improvement wherein the depot is coated or surface modified with a biologically active and biocompatible glass, glass-ceramic or ceramic material, the coating or modified surface being capable of forming a bond to soft tissue upon implantation. Methods for forming the biologically active and biocompatible glass, glass-ceramic or ceramic coating or modified surface on the silicone based depot are also disclosed.
    Type: Grant
    Filed: October 28, 1999
    Date of Patent: August 14, 2001
    Assignee: University of Florida
    Inventors: James S. Marotta, Christopher D. Batich, Nancy S. Hardt