US PATENT SUBCLASS 75 / 366
.~.~.~ Utilizing a fluidized bed


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}
343  DF  .~ Producing or purifying free metal powder or producing or purifying alloys in powder form (i.e., named or of size up to 1,000 microns in its largest dimension) {9}
363  DF  .~.~ At 300 degrees C or greater {5}
366.~.~.~ Utilizing a fluidized bed


DEFINITION

Classification: 75/366

Utilizing a fluidized bed:

(under subclass 363) Process in which a material undergoing treatment is in a highly dispersed state in a gaseous medium.