US PATENT SUBCLASS 585 / 443
.~.~.~ Using elemental O

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

400  DF  AROMATIC COMPOUND SYNTHESIS {15}
435  DF  .~ Having alkenyl moiety, e.g., styrene, etc. {4}
440  DF  .~.~ By dehydrogenation {4}
443.~.~.~ Using elemental O

DEFINITION

Classification: 585/443

Using elemental O:

(under subclass 440) Subject matter in which elemental oxygen, e.g., air, is added to the reaction mixture.

(1) Note. Usually hydrogen from the compound which becomes the desired product chemically combines with the elemental oxygen.

(2) Note. Processes described as "partial combustion" are placed here.