US PATENT SUBCLASS 423 / 501
.~.~ Ion exchanging or liquid-liquid extracting

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

462  DF  HALOGEN OR COMPOUND THEREOF {10}
500  DF  .~ Elemental halogen {6}
501.~.~ Ion exchanging or liquid-liquid extracting

DEFINITION

Classification: 423/501

(under subclass 500) Processes which includes the step of solvent-solvent extraction or ion exchange; see Glossary.