US PATENT SUBCLASS 423 / 52
.~.~.~ Sulfating

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}
49  DF  .~ Group VIIB metal (Mn, Tc, or Re) {1}
50  DF  .~.~ Forming insoluble substance in liquid {2}
52.~.~.~ Sulfating

DEFINITION

Classification: 423/52

(under subclass 50) Process including the step of forming a compound containing the sulfate (SO4[end subscrpt][supscrpt]2-[end supscrpt]) radical.