Patents Assigned to Piktor Limited
  • Production of immunological materials
    Patent number: 4001080
    Abstract: Transfer factor is produced by in vitro culture of lymphoblastoid cell lines after induction with transfer factor, which may be mono- or poly- specific. The produced transfer factor is then extracted from the lymphoblastoid cell lines.
    Type: Grant
    Filed: May 5, 1975
    Date of Patent: January 4, 1977
    Assignee: Piktor Limited
    Inventors: Jean Michel Goust, Robert Louis Moulias