US PATENT SUBCLASS 423 / 314
.~.~.~ Metaphosphate

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}
314.~.~.~ Metaphosphate

DEFINITION

Classification: 423/314

(under subclass 305) Products or processes wherein the product contains the meta-phosphate (PO3[end subscrpt]-), (P2O6[end subscrpt][supscrpt]2-[end supscrpt]) or (P6[end subscrpt]O18[supscrpt]6[end supscrpt]) radical.