US PATENT SUBCLASS 75 / 244
.~.~.~ Containing Boron(B) or Nitrogen(N)

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

300  DF  COMPOSITIONS {5}
228  DF  .~ Consolidated metal powder compositions {4}
230  DF  .~.~ With nonmetal constituent - Silicon(Si) considered a metal (e.g., cermet, etc.) {5}
244.~.~.~ Containing Boron(B) or Nitrogen(N)

DEFINITION

Classification: 75/244

Containing Boron (B) or Nitrogen (N):

(under subclass 230) Compositions in which the nonmetal component is boron and/or nitrogen, including boron nitride.

SEE OR SEARCH THIS CLASS, SUBCLASS:

233, for consolidated metal powder compositions containing borax.

238, for a consolidated metal powder composition containing boron or nitrogen as a carbide or in addition to a metal carbide, or in which the composition has been carbonitrided.

254, for a loose powder composition containing metal particles and particles which contain boron.