US PATENT SUBCLASS 419 / 15
.~.~.~ Complex or multiple carbides

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.~.~.~ Complex or multiple carbides {1}
16  DF  .~.~.~.~> With another binary nonmetal

DEFINITION

Classification: 419/15

Complex or multiple carbides:

(under subclass 14) Processes in which the nonmetal includes a mixture of different carbides or a complex phase which includes carbon combined with a metal and at least one more element which may be a metal or a nonmetal.