Patents by Inventor John Winthrop Hadden

John Winthrop Hadden 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).

  • Method for making a medicament for treating secondary immunodeficiency
    Patent number: 5698194
    Abstract: A method of producing a natural nonrecombinant cytokine mixture is disclosed including the steps of immobilizing at least one mitogen in a tissue culture vessel. An isolated population of lymphocytes free of neutrophils and erythrocytes, is suspended in a serum-free media and placed in the vessel. The lymphocytes are cultured, the media removed, and characterized for the yield of cytokines.
    Type: Grant
    Filed: February 29, 1996
    Date of Patent: December 16, 1997
    Assignee: University of South Florida
    Inventor: John Winthrop Hadden