Patents by Inventor Robin A. J. Nicholas

Robin A. J. Nicholas 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).

  • Patent number: 5208023
    Abstract: A process for preparation of an attenuated strain of avian encephalomyelitis virus ("AEV") which may be used as a component of a protective vaccine, which comprises the steps of infecting chick embryo fibroblast ("CEF") cells with AEV, culturing the AEV-infected CEF cells until the AEV has become adapted to the CEF cells and then isolating the AEV product from the CEF cells for use in the vaccine. An attenuated AEV strain produced in this way, and tests showing use as a vaccine in chickens are also described.
    Type: Grant
    Filed: October 12, 1989
    Date of Patent: May 4, 1993
    Assignee: Minister of Agriculture, Fisheries & Food in Majesty's Government of Great Britain
    Inventors: Robin A. J. Nicholas, Denise H. Thornton, Roy D. Goddard