US PATENT SUBCLASS 423 / 19
.~.~.~ 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}
2  DF  .~ Radioactive metal (At. No. 84+ or radioactive isotope of another metal) {1}
3  DF  .~.~ Actinide series metal (At. No. 89+) {7}
19.~.~.~ Volatizing

DEFINITION

Classification: 423/19

(under subclass 3) Processes including the step of causing a normally liquid or solid substance in element or compound form to be changed into a gas or a vapor; see Glossary.

(1) Note. Mere volatization of water or a solvent to concentrate a solution is not included under this definition; classification of such a process is based on other features.