US PATENT SUBCLASS 75 / 254
.~.~.~ Boron(B) containing particles

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}
255  DF  .~ Loose particulate mixture (i.e., composition) containing metal particles {1}
252  DF  .~.~ Mixture contains particles of nonmetal {2}
254.~.~.~ Boron(B) containing particles

DEFINITION

Classification: 75/254

Boron (B) containing particles:

(under subclass 252) Subject matter in which the nonmetal is boron or a boron compound.

SEE OR SEARCH THIS CLASS, SUBCLASS:

253, for such compositions containing a halogen compound, as well as boron or a boron compound.