US PATENT SUBCLASS 423 / 277
.~ Oxygen containing


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

276  DF  BORON OR COMPOUND THEREOF {5}
277.~ Oxygen containing {3}
278  DF  .~.~> Binary compound
279  DF  .~.~> Ternary compound containing metal or ammonium {1}
283  DF  .~.~> Ternary compound containing hydrogen


DEFINITION

Classification: 423/277

(under subclass 276) Products or processes wherein the boron compound includes oxygen.