Patents by Inventor Bradley G. Burdge

Bradley G. Burdge 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 of recovering hazardous waste from phenolic resin filters
    Patent number: 4995916
    Abstract: The invention is a process for the recovery of hazardous wastes such as heavy metals and radioactive elements from phenolic resin filter by a circulating a solution of 8 to 16 molar nitric acid at a temperature of 110 to 190 degrees F. through the filter. The hot solution dissolves the filter material and releases the hazardous material so that it can be recovered or treated for long term storage in an environmentally safe manner.
    Type: Grant
    Filed: April 30, 1990
    Date of Patent: February 26, 1991
    Assignee: The United States of America as represented by the United States Department of Energy
    Inventors: David H. Meikrantz, Gary L. Bourne, John N. McFee, Bradley G. Burdge, John W. McConnell, Jr.