US PATENT SUBCLASS 423 / 150.4
.~.~.~ Treatment of matte or nodule

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}
138  DF  .~ Iron group metal (Fe, Co, or Ni) {7}
150.1  DF  .~.~ Leaching, washing, or dissolving {3}
150.4.~.~.~ Treatment of matte or nodule {2}
150.5  DF  .~.~.~.~> Gas injected into mixture
150.6  DF  .~.~.~.~> With electrolytic or magnetic separation

DEFINITION

Classification: 423/150.4

Treatment of matte or nodule:

(under subclass 150.1) Processes in which the mixture is a matte or nodule containing material (i.e., in form of roasted or smelted ore) or relatively small lumps of mineral.