Patents by Inventor James E. Sharkness

James E. Sharkness 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 treating waste compositions
    Patent number: 4512900
    Abstract: Process for treating liquid waste compositions which contain copper ions and a complexing agent for the copper which includes reducing the concentration of copper ions in the waste composition to less than about 8 ppm and contacting the composition with H.sub.2 O.sub.2 ; and then contacting the waste composition with an ozone-containing gas and irradiating with ultraviolet light.
    Type: Grant
    Filed: December 13, 1983
    Date of Patent: April 23, 1985
    Assignee: International Business Machines Corporation
    Inventors: George J. Macur, W. Robert Pratt, James E. Sharkness
  • Treatment of waste compositions
    Patent number: 4289594
    Abstract: Process for treating liquid waste compositions which contain copper ions and a complexing agent for the copper which includes reducing the concentration of copper ions in the waste solution to less than about 8 ppm and contacting the solution with an ozone-containing gas and irradiating with ultraviolet light.
    Type: Grant
    Filed: May 9, 1980
    Date of Patent: September 15, 1981
    Assignee: International Business Machines Corporation
    Inventors: Warren A. Alpaugh, George J. Macur, James E. Sharkness