US PATENT SUBCLASS 423 / 88
.~.~ Volatizing

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}
87  DF  .~ Group VA metal or arsenic (Sb, Bi, or As) {1}
88.~.~ Volatizing

DEFINITION

Classification: 423/88

(under subclass 87) Processes which include the step of causing a normally solid or liquid substance in either elemental or compound form to be changed into a gas or a vapor; see Glossary.