US PATENT SUBCLASS 423 / 306
.~.~.~ Plural metal or metal and ammonium containing

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

299  DF  PHOSPHORUS OR COMPOUND THEREOF {5}
304  DF  .~ Oxygen containing {2}
305  DF  .~.~ Metal or ammonium containing {5}
306.~.~.~ Plural metal or metal and ammonium containing

DEFINITION

Classification: 423/306

(under subclass 305) Products or processes wherein the product contains two metals or a metal and the ammonium (NH4[supscrpt]+[end supscrpt]) radical.