US PATENT SUBCLASS 423 / 292
.~.~ Halogen containing

Current as of: June, 1999
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423 /   HD   CHEMISTRY OF INORGANIC COMPOUNDS

276  DF  BORON OR COMPOUND THEREOF {5}
289  DF  .~ Binary compound (e.g., boride, etc.) {5}
292.~.~ Halogen containing {1}
293  DF  .~.~.~> Fluorine

DEFINITION

Classification: 423/292

(under subclass 289) Products or processes wherein the other element is a halogen.