Patents by Inventor Gordon H. Theilen

Gordon H. Theilen 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 of protecting cattle and sheep against bovine leukemia virus and vaccines for use therein
    Patent number: 4323555
    Abstract: Vaccines for protecting cattle against bovine leukemia virus (BLV) are prepared by in vitro culturing of lymphoid cell lines derived from bovine or ovine lymphosarcoma tissue. The cell lines are characterized by being non-producers of BLV. The vaccines and their method of preparation can also be used for protecting sheep against bovine leukemia virus.
    Type: Grant
    Filed: November 3, 1980
    Date of Patent: April 6, 1982
    Assignee: The Regents of the University of California
    Inventor: Gordon H. Theilen
  • Vaccine for preventing persistent feline leukemia viremia in cats
    Patent number: 4264587
    Abstract: A vaccine in parenteral dose form for preventing persistent feline leukemia viremia in cats is characterized by containing as the immunizing agent inactivated feline leukemia virus (FeLV) derived from the FL74 feline lymphoblastoid cell line.
    Type: Grant
    Filed: August 1, 1979
    Date of Patent: April 28, 1981
    Inventors: Niels C. Pedersen, Gordon H. Theilen