US PATENT SUBCLASS 423 / 39
.~.~.~.~ 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}
38  DF  .~.~.~ Halogenating {2}
39.~.~.~.~ Specified temperature

DEFINITION

Classification: 423/39

(under subclass 38) Processes in which a specific temperature or a range of temperatures is recited during at least part of the process either for the mixture or for a substance involved in the process.