US PATENT SUBCLASS 423 / 628
.~.~.~.~ Forming catalyst, sorbent activated, or narrow pore alumina

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}
628.~.~.~.~ Forming catalyst, sorbent activated, or narrow pore alumina

DEFINITION

Classification: 423/628

(under subclass 625) Products or processes wherein the compound is alumina(A12[end subscrpt]O3) and in the process has become "activated" or has had its pore size adjusted for use in a catalyst or a sorbent.