Patents by Inventor Daniel A. Wasson

Daniel A. Wasson 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).

  • Binding additive for explosive compositions
    Patent number: 4957569
    Abstract: This invention relates to a dry mix explosive composition wherein a binding or holding agent is provided to hold the parts thereof together in a straightforward and efficient manner, in order to avoid segregation of the parts such as during mixing, placement and the like. The dry mix explosive composition includes oxidiser, fuel and bulking agent, and further includes a binder in the form of a water-in-oil emulsion which acts to hold the parts of said composition together during mixing, placement and the like.
    Type: Grant
    Filed: November 16, 1988
    Date of Patent: September 18, 1990
    Assignee: CBS Explosives Pty Limited
    Inventors: Kevin H. Waldock, Daniel A. Wasson
  • Explosive composition
    Patent number: 4875950
    Abstract: This invention relates to a dry mix explosive composition which includes a bulking agent which comprises from 1-20% (by weight) of a vegetable protein additive, the bulking agent having a bulk density of 0.1-0.6 grams per cubic centimeter. It is preferred that the resulting explosive composition have a bulk density of from 0.5-1.1 grams per cubic centimeter.
    Type: Grant
    Filed: June 9, 1988
    Date of Patent: October 24, 1989
    Assignee: CBS Explosives Pty Limited
    Inventors: Kevin H. Waldock, Daniel A. Wasson
  • Blasting composition containing particulate oxidizer salts
    Patent number: 4426238
    Abstract: The invention relates to an aqueous explosive blasting composition having a continuous aqueous phase and comprising inorganic oxidizer salt of which at least a significant proportion is an undissolved, solid particulate form; a solution of oxidizer salt in water, immiscible liquid organic fuel finally and stably dispersed throughout the aqueous phase; thickener; a crystal habit modifier; and a non-ionic surfactant to retard desensitization of the composition that would otherwise occur due to the presence of the oxidizer salt particles.
    Type: Grant
    Filed: September 14, 1979
    Date of Patent: January 17, 1984
    Assignee: IRECO Chemicals
    Inventor: Daniel A. Wasson
  • Permissible slurry explosive
    Patent number: 4364782
    Abstract: The present invention comprises a permissible aqueous blasting composition containing at least about 15% calcium nitrate as oxidizer salt. The calcium nitrate combined with water, inert material, a sensitizer, and cross linking and thickening agents forms a stable aqueous blasting composition or slurry which will meet the permissibility requirements of the U.S. Department of Labor. The use of this minimum amount of calcium nitrate particularly is effective in increasing storage stability.
    Type: Grant
    Filed: September 12, 1980
    Date of Patent: December 21, 1982
    Assignee: IRECO Chemicals
    Inventors: Albert G. Funk, Daniel A. Wasson, Joe N. Ikeda
  • Aqueous blasting composition with crystal habit modifier
    Patent number: 4055449
    Abstract: The stabilization of a fine dispersion of an immiscible liquid hydrocarbon fuel throughout an aqueous blasting composition having a continuous aqueous phase is accomplished by the use of a crystal habit modifier to reduce the crystal size of the oxidizer salt in the composition. Such reduction is found to be critical for stabilizing the fine dispersion of immiscible hydrocarbon fuel droplets throughout the composition and resultantly for maintaining the sensitivity of the composition to detonation.
    Type: Grant
    Filed: August 11, 1976
    Date of Patent: October 25, 1977
    Assignee: Ireco Chemicals
    Inventor: Daniel A. Wasson
  • Blasting composition containing calcium nitrate and sulfur
    Patent number: 4032375
    Abstract: The present invention relates to improved explosives or blasting compositions of the aqueous gel or slurry type. In general, it concerns such blasting compositions employing a combination of calcium nitrate as oxidizer salt and sulfur as fuel. This combination effectively sensitizes the composition and renders its sensitivity relatively less dependent upon temperatures. In addition, this combination imparts desirable physical properties to the composition.
    Type: Grant
    Filed: January 20, 1975
    Date of Patent: June 28, 1977
    Assignee: Ireco Chemicals
    Inventor: Daniel A. Wasson