US PATENT SUBCLASS 423 / 289
.~ Binary compound (e.g., boride, etc.)

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

276  DF  BORON OR COMPOUND THEREOF {5}
289.~ Binary compound (e.g., boride, etc.) {5}
290  DF  .~.~> Nitrogen containing
291  DF  .~.~> Carbon containing
292  DF  .~.~> Halogen containing {1}
294  DF  .~.~> Hydrogen containing {2}
297  DF  .~.~> Refractory metal containing (Ti, V, Cr, Zr, Nb, Mo, Hf, Ta, or W)

DEFINITION

Classification: 423/289

(under subclass 276) Products and processes in which the compound contains boron and only one other element.

SEE OR SEARCH THIS CLASS, SUBCLASS:

278, for binary compounds containing boron and oxygen and methods of making such compounds.