US PATENT SUBCLASS 585 / 640
.~.~.~ Using metal oxide catalyst

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

500  DF  UNSATURATED COMPOUND SYNTHESIS {14}
638  DF  .~ From nonhydrocarbon feed {2}
639  DF  .~.~ Alcohol, ester, or ether {1}
640.~.~.~ Using metal oxide catalyst

DEFINITION

Classification: 585/640

Using metal oxide catalyst:

(under subclass 639) Subject matter wherein a catalyst containing a metal oxide is employed.