US PATENT SUBCLASS 585 / 608
.~.~.~.~ With unsaturated hydrocarbon in feed

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}
606  DF  .~.~.~ O-containing {3}
608.~.~.~.~ With unsaturated hydrocarbon in feed

DEFINITION

Classification: 585/608

With unsaturated hydrocarbon in feed:

(under subclass 606) Subject matter wherein the feedstock to the synthesis also contains a hydrocarbon having olefinic or acetylenic unsaturation.

SEE OR SEARCH THIS CLASS, SUBCLASS:

257, 433, 440+, 616, and 656+, for hydrogen-exchange disproportionation processes.