US PATENT SUBCLASS 585 / 631
.~.~.~.~.~.~ With other transition metal

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}
616  DF  .~.~ By dehydrogenation {3}
627  DF  .~.~.~ Using extraneous nonhydrocarbon agent, e.g., catalyst, etc. {3}
629  DF  .~.~.~.~ Transition metal oxide or sulfide agent {1}
630  DF  .~.~.~.~.~ Cr, Mo, or W {1}
631.~.~.~.~.~.~ With other transition metal

DEFINITION

Classification: 585/631

With other transition metal:

(under subclass 630) Subject matter wherein the chromium, molybdenum, and/or tungsten compound is associated with a compound of a transition metal from a group other than Group VI.