US PATENT SUBCLASS 588 / 7
.~.~.~ Ion exchange resin

Current as of: June, 1999
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588 /   HD   HAZARDOUS OR TOXIC WASTE DESTRUCTION OR CONTAINMENT

1  DF  DESTRUCTION OR CONTAINMENT OF RADIOACTIVE WASTE {5}
2  DF  .~ By fixation in stable solid media {8}
6  DF  .~.~ Resin or polymer; e.g., cellulose, polyethylene {2}
7.~.~.~ Ion exchange resin

DEFINITION

Classification: 588/7

Ion exchange resin:

(under subclass 6) Subject matter wherein the solid media is a solid resin material with chemically bound ionic groups capable of exchanging ion with radioactive contaminant ionic groups.