US PATENT SUBCLASS 514 / 650
.~.~.~.~ The aryl ring or aryl ring system is bonded directly to another ring or ring system

Current as of: June, 1999
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514 /   HD   DRUG, BIO-AFFECTING AND BODY TREATING COMPOSITIONS

1  DF  DESIGNATED ORGANIC ACTIVE INGREDIENT CONTAINING (DOAI) {29}
579  DF  .~ Nitrogen containing other than solely as a nitrogen in an inorganic ion of an addition salt, a nitro or a nitroso DOAI {22}
646  DF  .~.~ Benzene ring containing {5}
649  DF  .~.~.~ Amino nitrogen attached to aryl ring or aryl ring system by an acyclic carbon or acyclic chain {5}
650.~.~.~.~ The aryl ring or aryl ring system is bonded directly to another ring or ring system

DEFINITION

Classification: 514/650

The aryl ring system is bonded directly to another ring or ring system:

(under subclass 649) Subject matter wherein the aryl ring or ring system is bonded directly to another ring or ring system.

(1) Note. This subclass contains for example the group: [figure] [caption], etc.