US PATENT SUBCLASS 585 / 468
.~.~.~ Noncrystalline, and containing Al and Si


Current as of: June, 1999
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585 /   HD   CHEMISTRY OF HYDROCARBON COMPOUNDS

400  DF  AROMATIC COMPOUND SYNTHESIS {15}
446  DF  .~ By condensation of entire molecules or entire hydrocarbyl moieties thereof, e.g., alkylation, etc. {13}
467  DF  .~.~ Using metal, metal oxide, or hydroxide catalyst {1}
468.~.~.~ Noncrystalline, and containing Al and Si


DEFINITION

Classification: 585/468

Noncrystalline, and containing Al and Si:

(under subclass 467) Subject matter wherein the catalyst is amorphous and contains both aluminum and silicon.