Patents by Inventor Godage B. Wickramanayake

Godage B. Wickramanayake 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).

  • Method for treatment of soils contaminated with organic pollutants
    Patent number: 5269943
    Abstract: A method for treating soil contaminated by organic compounds wherein an ozone containing gas is treated with acid to increase the stability of the ozone in the soil environment and the treated ozone applied to the contaminated soil to decompose the organic compounds. The soil may be treated in situ or may be removed for treatment and refilled.
    Type: Grant
    Filed: July 13, 1992
    Date of Patent: December 14, 1993
    Assignee: Battelle Memorial Institute
    Inventor: Godage B. Wickramanayake
  • Apparatus for treatment of soils contaminated with organic pollutants
    Patent number: 5205927
    Abstract: An apparatus for treating soil contaminated by organic compounds wherein an ozone containing gas is treated with acid to increase the stability of the ozone in the soil environment and the treated ozone applied to the contaminated soil in a manner adapted to decompose the organic compounds; one embodiment of the apparatus comprises a means to supply ozone as a gas-ozone mixture, a stability means to treat ozone obtained from the supply and distribution means to apply the stabilized gas-ozone to soil. The soil may be treated in situ or may be removed for treatment and refilled.
    Type: Grant
    Filed: August 1, 1990
    Date of Patent: April 27, 1993
    Assignee: Battelle Memorial Institute
    Inventor: Godage B. Wickramanayake