US PATENT SUBCLASS 585 / 605
.~.~.~.~ Using P-containing catalyst

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

500  DF  UNSATURATED COMPOUND SYNTHESIS {14}
601  DF  .~ Diolefin product {4}
603  DF  .~.~ From nonhydrocarbon feed {3}
604  DF  .~.~.~ Heterocyclic {1}
605.~.~.~.~ Using P-containing catalyst

DEFINITION

Classification: 585/605

Using P-containing catalyst:

(under subclass 604) Subject matter catalyzed by a material containing phosphorus in free or combined form.