Patents Assigned to Dyno Wesfarmers Limited
  • Explosive composition comprising an emulsifier with a straight link between a hydrocarbyl group and a polyamine
    Patent number: 5639988
    Abstract: An explosive composition is provided which includes a hydrocarbyl polyamine emulsifier, characterised by a straight link between the hydrocarbyl group and said polyamine. A method of forming the composition is also provided, characterised by the emulsifier being produced by reacting an alkanolamine with a hydrocarbyl halide.
    Type: Grant
    Filed: April 20, 1995
    Date of Patent: June 17, 1997
    Assignee: Dyno Wesfarmers Limited
    Inventor: Michael Cechanski
  • Explosive composition
    Patent number: 5460670
    Abstract: An explosive composition is provided which includes a hydrocarbyl polyamine emulsifier, characterized by a straight link between the hydrocarbyl group and said polyamine. A method of forming the composition is also provided, characterized by the emulsifier being produced by reacting an alkanolamine with a hydrocarbyl halide.
    Type: Grant
    Filed: January 6, 1994
    Date of Patent: October 24, 1995
    Assignee: Dyno Wesfarmers Limited
    Inventor: Michael Cechanski
  • Shaped charge cover
    Patent number: D378847
    Type: Grant
    Filed: April 3, 1995
    Date of Patent: April 15, 1997
    Assignee: Dyno Wesfarmers Limited
    Inventor: Anthony L. Ey