US PATENT SUBCLASS 585 / 481
.~.~.~ Crystalline aluminosilicate


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

400  DF  AROMATIC COMPOUND SYNTHESIS {15}
477  DF  .~ By isomerization {2}
480  DF  .~.~ Using metal oxide- or sulfide-containing catalyst {2}
481.~.~.~ Crystalline aluminosilicate


DEFINITION

Classification: 585/481

Crystalline aluminosilicate:

(under subclass 480) Subject matter wherein the compound contains aluminum, silicon, and oxygen atoms in an ordered spatial pattern or arrangement, e.g., a zeolite, etc., and which may be of natural or synthetic origin.