US PATENT SUBCLASS 585 / 437
.~.~.~ O-containing feed

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

400  DF  AROMATIC COMPOUND SYNTHESIS {15}
435  DF  .~ Having alkenyl moiety, e.g., styrene, etc. {4}
436  DF  .~.~ Polycyclic product or from nonhydrocarbon feed {1}
437.~.~.~ O-containing feed

DEFINITION

Classification: 585/437

O-containing feed:

(under subclass 436) Subject matter wherein a nonhydrocarbon feedstock compound contains an oxygen atom.