US PATENT SUBCLASS 423 / 179.5
.~.~ Lithium

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}
179  DF  .~ Alkali metal (Li, Na, K, Rb, or Cs) {12}
179.5.~.~ Lithium

DEFINITION

Classification: 423/179.5

Lithium:

(under subclass 179) Processes wherein the metal has atomic number 3.