US PATENT SUBCLASS 570 / 184
.~.~.~.~ Plural benzene rings bonded directly to the same acyclic carbon or attached by an acyclic carbon chain

Current as of: June, 1999
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570 /   HD   ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES

*  DD  ORGANIC COMPOUNDS (Class 532, Subclass 1) {1}
101  DF  .~ HALOGEN CONTAINING {21}
181  DF  .~.~ Product {3}
182  DF  .~.~.~ Benzene ring containing {3}
184.~.~.~.~ Plural benzene rings bonded directly to the same acyclic carbon or attached by an acyclic carbon chain

DEFINITION

Classification: 570/184

Plural benzene rings bonded directly to the same acyclic carbon or attached by an acyclic carbon chain:

(under subclass 182) Compound which contains two or more benzene rings bonded directly to the same carbon which is not part of a ring or bonded through two or more carbons, none of which is part of a ring.