US PATENT SUBCLASS 423 / 311
.~.~.~ Orthophosphate

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}
311.~.~.~ Orthophosphate {1}
312  DF  .~.~.~.~> Alkali metal or ammonium containing {1}

DEFINITION

Classification: 423/311

(under subclass 305) Products or processes wherein the product contains the orthophosphate (PO4[end subscrpt][supscrpt]3-[end supscrpt]) radical.