Patents by Inventor Donald G. MacPhee

Donald G. MacPhee 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).

  • Preparation of plasmid DNA and products thereof
    Patent number: 4755464
    Abstract: A method for the preparation of plasmid DNA and the expression products thereof. The method provides cells, enriched in plasmid DNA and expression products thereof, which comprise chromosomal DNA which has been substantially degraded by exposing a plasmid DNA-containing organism to an effective dose of ionizing radiation.
    Type: Grant
    Filed: April 23, 1984
    Date of Patent: July 5, 1988
    Assignee: Gentech Australia Limited
    Inventors: Donald G. MacPhee, Anthony J. Radford, Darryl C. Reanney