US PATENT SUBCLASS 423 / 626
.~.~.~.~ Utilizing acid

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

DEFINITION

Classification: 423/626

(under subclass 625) Processes in which the preparation of the aluminum compound includes the use of an acid in any manner (e.g., as a solvent, as a reactant, etc.).