US PATENT SUBCLASS 423 / 24
.~.~ Ion exchanging or liquid-liquid extracting

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


423 /   HD   CHEMISTRY OF INORGANIC COMPOUNDS

1  DF  TREATING MIXTURE TO OBTAIN METAL CONTAINING COMPOUND {15}
23  DF  .~ Group IB metal (Cu, Ag, or Au) {10}
24.~.~ Ion exchanging or liquid-liquid extracting

DEFINITION

Classification: 423/24

(under subclass 23) 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.