US PATENT SUBCLASS 423 / 181
.~.~ Ion exchanging or liquid-liquid extracting

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}
179  DF  .~ Alkali metal (Li, Na, K, Rb, or Cs) {12}
181.~.~ Ion exchanging or liquid-liquid extracting

DEFINITION

Classification: 423/181

(under subclass 179) Processes which include the step of (1) attracting and retaining a component of the mixture by contact with an ion exchange substance or (2) selectively dissolving a component in one of two immiscible liquids to effect a separations; see Glossary.