US PATENT SUBCLASS 423 / 33
.~.~.~.~ Specified temperature

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}
32  DF  .~.~.~ With ammonia or ammonium containing compound {1}
33.~.~.~.~ Specified temperature

DEFINITION

Classification: 423/33

(under subclass 32) Processes wherein a specified temperature or range thereof is recited.

(1) Note. This subclass includes patents which specify a temperature preceding, during or following the leaching step.