Patents Examined by Francis J. Jaworsid
  • Therapeutic delivery systems
    Patent number: 6443898
    Abstract: Therapeutic delivery systems comprising gaseous precursor-filled microspheres comprising a therapeutic are described. Methods for employing such microspheres in therapeutic delivery applications are also provided. Therapeutic delivery systems comprising gaseous precursor-filled liposomes having encapsulated therein a contrast agent or drug are preferred. Methods of and apparatus for preparing such liposomes and methods for employing such liposomes in therapeutic delivery applications are also disclosed.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: September 3, 2002
    Assignee: Imarx Pharmaceutical Corp.
    Inventors: Evan C. Unger, Thomas A. Fritz, Terry Matsunaga, VaradaRajan Ramaswami, David Yellowhair, Guanli Wu