US PATENT SUBCLASS 585 / 27
.~.~.~.~ Of differing carbon content or with bridge


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

16  DF  COMPOUND OR REACTION PRODUCT MIXTURE {3}
24  DF  .~ Aromatic {1}
25  DF  .~.~ Plural rings {1}
26  DF  .~.~.~ Polycyclo, i.e., fused {1}
27.~.~.~.~ Of differing carbon content or with bridge


DEFINITION

Classification: 585/27

Of differing carbon content or with bridge:

(under subclass 26) Subject matter having a bond or an atom or an acyclic carbon atom chain connecting two nonadjacent ring atoms, or where at least one ring is not a six-membered ring, e.g., fluorene.