US PATENT SUBCLASS 570 / 182
.~.~.~ Benzene ring containing


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.~.~.~ Benzene ring containing {3}
183  DF  .~.~.~.~> Polycyclo ring system
184  DF  .~.~.~.~> Plural benzene rings bonded directly to the same acyclic carbon or attached by an acyclic carbon chain
185  DF  .~.~.~.~> Benzene ring and halogen bonded directly to the same acyclic carbon or attached by an acyclic carbon chain


DEFINITION

Classification: 570/182

Benzene ring containing:

(under subclass 181) Compound which contains a benzene ring.