US PATENT SUBCLASS 419 / 16
.~.~.~.~ With another binary nonmetal

Current as of: June, 1999
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419 /   HD   POWDER METALLURGY PROCESSES

1  DF  POWDER METALLURGY PROCESSES WITH HEATING OR SINTERING {16}
10  DF  .~ Metal and nonmetal in final product {5}
14  DF  .~.~ Carbide containing {2}
15  DF  .~.~.~ Complex or multiple carbides {1}
16.~.~.~.~ With another binary nonmetal

DEFINITION

Classification: 419/16

With another nonmetal:

(under subclass 15) Processes in which in addition to the carbide there is present another nonmetal.