Patents Assigned to Covofinish Co., Inc.
  • Method for removal of technetium from radio-contaminated metal
    Patent number: 5458745
    Abstract: Technetium is separated from radio-contaminated metal in a three-step process. The contaminated metal is dissolved in an acid solution; the technetium, present in the resultant solution as pertechnetate ions, is quantitatively reduced to its metallic state through a metal displacement (cementation) reaction with a base metal of lower reduction potential; and the desired metal is electrolytically recovered from the solution, substantially free from technetium contamination.
    Type: Grant
    Filed: January 23, 1995
    Date of Patent: October 17, 1995
    Assignee: Covofinish Co., Inc.
    Inventor: George Hradil