US PATENT SUBCLASS 423 / 144
.~.~.~.~ Carbonating, hydroxylating, or hydrating


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

1  DF  TREATING MIXTURE TO OBTAIN METAL CONTAINING COMPOUND {15}
138  DF  .~ Iron group metal (Fe, Co, or Ni) {7}
140  DF  .~.~ Forming insoluble substance in liquid {4}
143  DF  .~.~.~ Utilizing or forming nitrogenous compound {2}
144.~.~.~.~ Carbonating, hydroxylating, or hydrating


DEFINITION

Classification: 423/144

(under subclass 143) Processes including the step of chemically forming a hydroxide, or a hydrate, or a compound having the carbonate (CO3[end subscrpt][supscrpt]2-[end supscrpt]) radical.