US PATENT SUBCLASS 423 / 79
.~.~.~.~ Contacting feed solids with chlorine gas

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}
69  DF  .~ Group IVB metal (Ti, Zr, or Hf) {11}
75  DF  .~.~ Volatizing {1}
76  DF  .~.~.~ Titanium, zirconium, or hafnium {3}
79.~.~.~.~ Contacting feed solids with chlorine gas

DEFINITION

Classification: 423/79

(under subclass 76) Processes in which the vaporization of the Ti, Zr, or Hf is effected during contact of a solid feed material with gaseous chlorine.