US PATENT SUBCLASS 423 / 646
.~.~ Alkali metal containing (Li, Na, K, Rb, or Cs)

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

644  DF  HYDROGEN OR COMPOUND THEREOF {3}
645  DF  .~ Binary compound {2}
646.~.~ Alkali metal containing (Li, Na, K, Rb, or Cs)

DEFINITION

Classification: 423/646

(under subclass 645) Products or processes wherein the additional element is an alkali metal.