Patents by Inventor Kenneth A. W. Mitchell

Kenneth A. W. Mitchell 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).

  • Emulsion explosive composition
    Patent number: 4448619
    Abstract: This invention concerns a water-in-oil emulsion explosive composition which comprises a discontinuous aqueous phase containing one or more oxygen-releasing salts, a continuous water-immiscible organic phase comprising sump oil, and an emulsifying agent. The explosive compositions show improved sensitivity over conventional compositions made using paraffin oil as the organic phase.
    Type: Grant
    Filed: May 25, 1983
    Date of Patent: May 15, 1984
    Assignee: ICI Australia Limited
    Inventor: Kenneth A. W. Mitchell
  • Method for mixing and placing explosive compositions
    Patent number: 4369689
    Abstract: A process, and apparatus for performing same, of simultaneous mixing and placement of an explosive composition comprising a dispersion of an explosive component located in and immobilized by a solidified foamed non-explosive matrix.
    Type: Grant
    Filed: September 24, 1980
    Date of Patent: January 25, 1983
    Assignee: ICI Australia Limited
    Inventors: Paul F. Donaghue, Thomas L. Love, Kenneth A. W. Mitchell, Maxwell G. Pitt
  • Immobilized explosive component in foamed matrix
    Patent number: 4151022
    Abstract: An explosive composition comprising a dispersion of an explosive component which is located in and immobilized by a foamed non-explosive matrix.
    Type: Grant
    Filed: November 14, 1977
    Date of Patent: April 24, 1979
    Assignee: ICI Australia Limited
    Inventors: Paul F. Donaghue, Kenneth A. W. Mitchell
  • Apparatus and processes
    Patent number: 4105114
    Abstract: A capsule useful in processes for stabilizing and reinforcing rock formations and for securing elements in boreholes, said capsule containing in a multiplicity of compartments materials capable of producing a solid composition and comprising at least one non-supple reinforcing member located within said capsule.
    Type: Grant
    Filed: December 13, 1976
    Date of Patent: August 8, 1978
    Assignee: ICI Australia Limited
    Inventors: Donald E. Knox, Suleiman M. Fakira, Kenneth A. W. Mitchell