US PATENT SUBCLASS 423 / 624
.~.~ Group IIIA metal or beryllium (Al, Ga, In, Tl, or Be)

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}
624.~.~ Group IIIA metal or beryllium (Al, Ga, In, Tl, or Be) {1}
625  DF  .~.~.~> Aluminum {6}

DEFINITION

Classification: 423/624

(under subclass 592) Products or Processes wherein the metal is aluminum, gallium, thallium or indium (Group III A) or beryllium.