US PATENT SUBCLASS 423 / 499.2
.~.~.~ From carbonaceous compound

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

462  DF  HALOGEN OR COMPOUND THEREOF {10}
491  DF  .~ Binary compound containing metal {6}
499.1  DF  .~.~ Alkali metal {3}
499.2.~.~.~ From carbonaceous compound

DEFINITION

Classification: 423/499.2

From carbonaceous compound:

(under subclass 499.1) Products or processes wherein the alkali metal is obtained from carbon containing compound.