US PATENT SUBCLASS 423 / 621
.~.~.~.~.~ Molten


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

579  DF  OXYGEN OR COMPOUND THEREOF {4}
592  DF  .~ Metal containing {12}
618  DF  .~.~ Group IVA metal (Ge, Sn, or Pb) {1}
619  DF  .~.~.~ Lead {1}
620  DF  .~.~.~.~ Utilizing metallic lead as reactant {1}
621.~.~.~.~.~ Molten


DEFINITION

Classification: 423/621

(under subclass 620) Processes in which the elemental lead is in the fused or liquid state.