US PATENT SUBCLASS 419 / 11
.~.~ Nonmetal is elemental carbon

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}
11.~.~ Nonmetal is elemental carbon

DEFINITION

Classification: 419/11

Nonmetal is elemental carbon:

(under subclass 10) Processes in which the nonmetal is carbon in its elemental form, i.e., not in the form of a carbon compound.

(1) Note. The carbon may be in the form of, e.g., graphite, diamond, etc.