US PATENT SUBCLASS 423 / 495
.~.~ 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

462  DF  HALOGEN OR COMPOUND THEREOF {10}
491  DF  .~ Binary compound containing metal {6}
495.~.~ Group IIIA metal or beryllium (Al, Ga, In, Tl, or Be) {1}
496  DF  .~.~.~> Utilizing carbon or carbon containing compound

DEFINITION

Classification: 423/495

(under subclass 491) Products or processes in which the metal is aluminum, gallium, indium, thallium or beryllium.

SEE OR SEARCH THIS CLASS, SUBCLASS:

126, for processes of treating a mixture to obtain a metal containing compound, wherein the metal is beryllium or a Group III A metal, including the steps of (1) forming an insoluble substance in a liquid and (2) chemically forming a halogen containing compound.

130, for the process of recovering aluminum chloride catalysts from hydrocarbon waste materials by destroying or separating from the hydrocarbon.

135+, for the process of recovering aluminum halides by volatization.