Patents by Inventor Andrew Joseph MacAdam

Andrew Joseph MacAdam 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: 5639462
    Abstract: An attenuated poliovirus in which the 5' non-coding region of the genome is:(a) the 5' non-coding region of poliovirus type 3 Leon strain modified by the provision of the bases uracil and adenine at positions 472 and 537 thereof respectively, or(b) the 5' non-coding region of another poliovirus modified by the provision of the bases uracil and adenine at respective positions corresponding to position 472 and 537 of the 5' non-coding region of poliovirus type 3 Leon strain.
    Type: Grant
    Filed: May 9, 1994
    Date of Patent: June 17, 1997
    Assignee: British Technology Group Limited
    Inventors: Andrew Joseph MacAdam, Philip David Minor, David Michael Stone, Jeffrey William Almond