US PATENT SUBCLASS 75 / 360
.~.~.~.~ Use of gas


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}
354  DF  .~.~ Including comminution {4}
357  DF  .~.~.~ With step at 300 degrees C or greater {3}
360.~.~.~.~ Use of gas


DEFINITION

Classification: 75/360

Use of gas:

(under subclass 357) Process in which gas is used.