US PATENT SUBCLASS 75 / 751
.~.~ With heat treatment (e.g., calcinating, fusing, indurating, roasting, sintering, vaporizing, etc.)

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.~.~ With heat treatment (e.g., calcinating, fusing, indurating, roasting, sintering, vaporizing, etc.) {8}
752  DF  .~.~.~> Vaporizing metalliferous impurity
753  DF  .~.~.~> With leaching, dissolving, or washing
754  DF  .~.~.~> By suspension (e.g., fluid bed, cyclone, etc.)
755  DF  .~.~.~> On moving grate, moving pallet, or endless belt {3}
760  DF  .~.~.~> In shaft furnace or multi-hearth furnace {1}
762  DF  .~.~.~> In rotary kiln {1}
764  DF  .~.~.~> Coking of binder or additive
765  DF  .~.~.~> Sintering or with agglomerating or compacting {4}

DEFINITION

Classification: 75/751

With heat treatment (e.g., calcinating, fusing, indurating, roasting, sintering, vaporizing, etc.):

(under subclass 746) Process which includes heat treatment (e.g., calcinating, fusing, indurating, roasting, sintering, vaporizing, etc.) that may occur before, after, or during consolidation.