US PATENT SUBCLASS 423 / 287
.~.~ Utilizing halogen containing reactant

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423 /   HD   CHEMISTRY OF INORGANIC COMPOUNDS

276  DF  BORON OR COMPOUND THEREOF {5}
286  DF  .~ Hydrogen and metal or ammonium containing {2}
287.~.~ Utilizing halogen containing reactant

DEFINITION

Classification: 423/287

(under subclass 286) Processes which include the use of a halogen containing compound as a reactant.