Patents by Inventor W. Eugene Hunter

W. Eugene Hunter 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).

  • Patent number: 5076939
    Abstract: A novel method of treating circulating water containing over-sprayed water-based or solvent-based paint, such as in a paint spray booth operation, comprises adjusting the alkalinity of the paint spray booth water by adding an alkalinity source thereto, contacting the oversprayed paint with the alkalinity-adjusted water and with an alumina coated silica sol added to the water, adding an effective amount of a polymer floccing agent to the water, and removing resulting sludge from the water.
    Type: Grant
    Filed: May 2, 1991
    Date of Patent: December 31, 1991
    Assignee: Calgon Corporation
    Inventors: W. Eugene Hunter, Lewis D. Morse