Patents Assigned to Coremetals Research, Inc.
  • Methods and agents for the extraction of cesium and strontium from nuclear waste
    Patent number: 5698169
    Abstract: Methods and agents for extracting cesium and strontium ions from aqueous solutions, including aqueous fission product waste solutions, are disclosed using substituted metal dicarbollide and/or dicarbaextranide ions containing one or more chemical groups that increase solubility of the substituted metal dicarbollide or dicarbaextranide ions in non-nitrated, non-chlorinated solvents, or using metal dicarbollide or dicarbaextranide ion-substituted silicones.
    Type: Grant
    Filed: June 2, 1995
    Date of Patent: December 16, 1997
    Assignee: Coremetals Research, Inc.
    Inventors: M. Frederick Hawthorne, Gary B. Dunks
  • Extraction of cesium and strontium ions from nuclear waste
    Patent number: 5666642
    Abstract: Methods and agents for extracting cesium and strontium ions from aqueous solutions, including aqueous fission product waste solutions, are disclosed using substituted metal dicarbollide ions containing one or more chemical groups that increase solubility of the substituted metal dicarbollide ion in non-nitrated, non-chlorinated solvents, or using metal dicarbollide ion-substituted silicones.
    Type: Grant
    Filed: April 21, 1995
    Date of Patent: September 9, 1997
    Assignee: Coremetals Research, Inc.
    Inventors: M. Frederick Hawthorne, Gary B. Dunks