US PATENT SUBCLASS 585 / 654
.~ By dehydrogenation

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

500  DF  UNSATURATED COMPOUND SYNTHESIS {14}
654.~ By dehydrogenation {5}
655  DF  .~.~> With plural separation procedures applied to effluent or effluent component
656  DF  .~.~> Using acceptor, e.g., hydrogen-exchange disproportionation, etc. {2}
659  DF  .~.~> Plural stages or with catalyst movement
660  DF  .~.~> Using extraneous agent containing Pt-group metal and non-Pt-group metal
661  DF  .~.~> Using transition metal oxide, sulfide, or salt {1}

DEFINITION

Classification: 585/654

By dehydrogenation:

(under subclass 500) Subject matter wherein a monoolefin is produced by removing hydrogen from a molecule.

SEE OR SEARCH THIS CLASS, SUBCLASS:

330, for a process wherein a material is dehydrogenated before polymerization.

430, 440 and 603, for dehydrogenation processes yielding aromatics and diolefins.