US PATENT SUBCLASS 423 / 157
.~.~ 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}
155  DF  .~ Alkaline earth metal (Mg, Ca, Sr, or Ba) {11}
157.~.~ Ion exchanging or liquid-liquid extracting

DEFINITION

Classification: 423/157

(under subclass 155) 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 separation; see Glossary.