US PATENT SUBCLASS 423 / 283
.~.~ Ternary compound containing hydrogen

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

276  DF  BORON OR COMPOUND THEREOF {5}
277  DF  .~ Oxygen containing {3}
283.~.~ Ternary compound containing hydrogen

DEFINITION

Classification: 423/283

(under subclass 277) Products or processes wherein the compound contains only the three elements, boron, oxygen and hydrogen.