US PATENT SUBCLASS 423 / 279
.~.~ Ternary compound containing metal or ammonium

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}
279.~.~ Ternary compound containing metal or ammonium {1}
280  DF  .~.~.~> Utilizing dissolved or liquid reactant {2}

DEFINITION

Classification: 423/279

(under subclass 277) Products or processes wherein the compound contains only boron, oxygen and either a metal or the ammonium radical.

(1) Note. Under this definition the ammonium (NH4[supscrpt]+[end supscrpt]) radical is considered as only 1 element of the ternary compound; see (2) Note of the main class definition.