US PATENT SUBCLASS 264 / 668
.~.~ Producing metal nitride or silicon nitride containing product

Current as of: June, 1999
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264 /   HD   PLASTIC AND NONMETALLIC ARTICLE SHAPING OR TREATING: PROCESSES

603  DF  OUTSIDE OF MOLD SINTERING OR VITRIFYING OF SHAPED INORGANIC ARTICLE OR PREFORM {30}
667  DF  .~ Including specified molding pressure or controlling of molding pressure (e.g., cold isostatic pressing, hydrostatic pressure, etc.) {1}
668.~.~ Producing metal nitride or silicon nitride containing product

DEFINITION

Classification: 264/668

Producing metal nitride or silicon nitride containing product:

(under subclass 667) Process wherein a binary compound of nitrogen and metal or silicon (i.e., metal nitride, or silicon nitride) is produced.