Patents Assigned to ETI Canada
  • Method for the production of an ammonium nitrate fuel oil blasting composition having improved water resistance
    Patent number: 5925846
    Abstract: A method of increasing the water resistance of a blasting explosive comprising an organic carbonaceous fuel, an inorganic oxidizing salt having a particular particle size distribution and a gelling agent comprising the step of adding to the blasting explosive a particulate filler material. The particle size distribution of the particulate filler material and the inorganic oxidizing salt are selected to increase the water resistance of the blasting explosive.
    Type: Grant
    Filed: May 28, 1996
    Date of Patent: July 20, 1999
    Assignee: ETI Canada
    Inventors: Andrew Richard, Grant Simpson, Earl Reckzin