US PATENT SUBCLASS 585 / 320
.~.~ Polycyclic

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

310  DF  PLURAL SERIAL DIVERSE SYNTHESES {8}
319  DF  .~ To produce aromatic {4}
320.~.~ Polycyclic

DEFINITION

Classification: 585/320

Polycyclic:

(under subclass 319) Subject matter which the product has more than one ring.

(1) Note. One or more of the rings may be alicyclic, but if the product contains one or more aromatic rings, the patent is proper for this subclass.