US PATENT SUBCLASS 585 / 430
.~ From alicyclic

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

400  DF  AROMATIC COMPOUND SYNTHESIS {15}
430.~ From alicyclic {3}
431  DF  .~.~> Polycyclic product or with olefinic unsaturation in feed {1}
433  DF  .~.~> Using H acceptor or Cr-, Mo-, or W-containing catalyst
434  DF  .~.~> Using noble metal catalyst

DEFINITION

Classification: 585/430

From alicyclic:

(under subclass 400) Subject matter in which an aromatic hydrocarbon is formed from a cyclic material having the same number of carbon atoms in its ring system, which cyclic material in nonaromatic.

SEE OR SEARCH THIS CLASS, SUBCLASS:

266+, for the opposite reaction.

400, for conversion of a polycyclic material having an aromatic ring to one having more aromatic rings, e.g., conversion of tetralin to naphthalene, etc.