US PATENT SUBCLASS 75 / 753
.~.~.~ With leaching, dissolving, or washing


Current as of: June, 1999
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75 /   HD   SPECIALIZED METALLURGICAL PROCESSES, COMPOSITIONS FOR USE THEREIN, CONSOLIDATED METAL POWDER COMPOSITIONS, AND LOOSE METAL PARTICULATE MIXTURES

330  DF  PROCESSES {9}
746  DF  .~ Consolidating metalliferous material (e.g., ore, tailings, flue dust, fluxes, etc.) by agglomerating, compacting, or heat treating; preparatory process therefor; or treating consolidated material therefrom {5}
751  DF  .~.~ With heat treatment (e.g., calcinating, fusing, indurating, roasting, sintering, vaporizing, etc.) {8}
753.~.~.~ With leaching, dissolving, or washing


DEFINITION

Classification: 75/753

With leaching, dissolving, or washing:

(under subclass 751) Process wherein the consolidated metalliferous material or the material undergoing consolidation is subjected to a leaching, dissolving, or washing treatment.