US PATENT SUBCLASS 423 / 6
.~.~.~ Ion exchanging or sorbing

Current as of: June, 1999
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423 /   HD   CHEMISTRY OF INORGANIC COMPOUNDS

1  DF  TREATING MIXTURE TO OBTAIN METAL CONTAINING COMPOUND {15}
2  DF  .~ Radioactive metal (At. No. 84+ or radioactive isotope of another metal) {1}
3  DF  .~.~ Actinide series metal (At. No. 89+) {7}
6.~.~.~ Ion exchanging or sorbing {1}
7  DF  .~.~.~.~> Organic synthetic resin

DEFINITION

Classification: 423/6

(under subclass 2) Processes which include (1) attracting and retaining a component of the mixture by contact with an ion exchange substance or (2) using a substance which has an affinity for and retains a selected component or portion of the mixture being treated; see Glossary.

SEE OR SEARCH CLASS

95, Gas Separation: Processes,

90+, for processes of gas separation using solid sorbents, per se.

210, Liquid Purification or Separation,

24+, for processes of separation in general by ion exchange or sorption.