US PATENT SUBCLASS 423 / 645
.~ Binary compound

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

644  DF  HYDROGEN OR COMPOUND THEREOF {3}
645.~ Binary compound {2}
646  DF  .~.~> Alkali metal containing (Li, Na, K, Rb, or Cs)
647  DF  .~.~> Alkaline earth metal containing (Mg, Ca, Sr, or Ba)

DEFINITION

Classification: 423/645

(under subclass 644) Products or processes wherein the compound contains hydrogen and only one additional element.

SEE OR SEARCH THIS CLASS, SUBCLASS:

347, for binary compounds which contains only hydrogen and silicon.