Patents by Inventor Robert Sheahan

Robert Sheahan 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).

  • Explosive composition
    Patent number: 5074939
    Abstract: The present invention relates to cap-sensitive explosive compositions, in particular to emulsion explosives doped with solid particulate ammonium nitrate which retain stability and cap-sensitivity despite containing relatively high levels of dopant.
    Type: Grant
    Filed: September 5, 1990
    Date of Patent: December 24, 1991
    Assignee: ICI Australia Operations Proprietary Limited
    Inventors: Ross Sanders, Robert Sheahan, Vladimir Sujansky