US PATENT SUBCLASS 423 / 35
.~.~.~.~ Forming oxide or carbonate

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}
23  DF  .~ Group IB metal (Cu, Ag, or Au) {10}
27  DF  .~.~ Leaching, washing, or dissolving {6}
34  DF  .~.~.~ Forming insoluble substance in liquid {3}
35.~.~.~.~ Forming oxide or carbonate

DEFINITION

Classification: 423/35

(under subclass 34) Processes in which an oxide or carbonate is formed.