US PATENT SUBCLASS 75 / 301
.~ Reactive furnace lining

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

300  DF  COMPOSITIONS {5}
301.~ Reactive furnace lining

DEFINITION

Classification: 75/301

Reactive furnace lining:

(under subclass 300) Furnace lining composition that is used for intentional reactivity with metalliferous materials in the furnace to produce beneficiated or refined ore, charge or free metal.