US PATENT SUBCLASS 570 / 127
.~.~.~.~ 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}
123  DF  .~.~ Fluorine containing {21}
124  DF  .~.~.~ Product {7}
127.~.~.~.~ Benzene ring containing {2}
128  DF  .~.~.~.~.~> Acyclic unsaturation containing
129  DF  .~.~.~.~.~> Plural carbocyclic rings containing

DEFINITION

Classification: 570/127

Benzene ring containing:

(under subclass 124) Compound which contains at least one benzene ring.