Patents Assigned to PACT, Incorporated
  • Separation of metal ions on an anion exchange resin by chromatographic elution
    Patent number: 5372717
    Abstract: The present invention relates to the removal of metal ion contaminants as their anionic complexes from a variety of solutions containing said metal ion contaminants on an anion exchange resin, and the separation and purification of the anionic metal complexes by chromatographic elution utilizing a specially designed apparatus that enhances and maximizes the effects caused by different metal complex dissociation constants.
    Type: Grant
    Filed: August 31, 1993
    Date of Patent: December 13, 1994
    Assignee: PACT, Incorporated
    Inventors: Robert B. Abolt, Gerald D. Knepper
  • Separation of metal ions on an anion exchange resin by chromatographic elution
    Patent number: 5246591
    Abstract: The present invention relates to the removal of metal ion contaminants as their anionic complexes from a variety of solutions containing said metal ion contaminants on an anion exchange resin, and the separation and purification of the anionic metal complexes by chromatographic elution utilizing a specially designed apparatus that enhances and maximizes the effects caused by different metal complex dissociation constants.
    Type: Grant
    Filed: July 6, 1992
    Date of Patent: September 21, 1993
    Assignee: PACT, Incorporated
    Inventors: Robert B. Abolt, Gerald D. Knepper