US PATENT SUBCLASS 423 / 463
.~ Plural metal or metal and ammonium containing

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

462  DF  HALOGEN OR COMPOUND THEREOF {10}
463.~ Plural metal or metal and ammonium containing {1}
464  DF  .~.~> Including fluorine {1}

DEFINITION

Classification: 423/463

(under subclass 462) Products or processes in which the product is a compound, which contains either (1) two or more diverse and distinct metal elements or (2) a metal and the ammonium (NH4[supscrpt]+[end supscrpt]) radical.