US PATENT SUBCLASS 75 / 253
.~.~.~ Halogen 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}
253.~.~.~ Halogen containing particles

DEFINITION

Classification: 75/253

Halogen containing particles:

(under subclass 252) Subject matter in which the nonmetal is a halogen (i.e., Fluorine (F), Chlorine (Cl), Bromine (Br),

Iodine (I), and Astatine (At)) compound.

(1) Note. Where the particle mixture contains boron, in free or combined form, as well as a halogen, it is classified in this subclass and not cross-referenced to subclass 254.