US PATENT SUBCLASS 585 / 487
.~.~.~ And steam

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

400  DF  AROMATIC COMPOUND SYNTHESIS {15}
483  DF  .~ By dealkylation {2}
486  DF  .~.~ Using extraneous agent in reaction zone, e.g., catalyst, etc. {2}
487.~.~.~ And steam

DEFINITION

Classification: 585/487

And steam:

(under subclass 486) Subject matter wherein the reaction takes place in the presence of steam, water vapor, etc.

SEE OR SEARCH CLASS

48, Gas: Heating and Illuminating,

214, for a similar process in which a hydrogen-containing gas

mixture, suitable for burning, is the desired product.

252, Compositions,

373, for a similar process in which a synthesis gas containing hydrogen and carbon oxide is the desired product.

423, Chemistry of Inorganic Compounds, 652+, for a similar process in which hydrogen is the desired product.