US PATENT SUBCLASS 570 / 133
.~.~.~.~ Carbocyclic ring contains three carbon atoms

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}
133.~.~.~.~ Carbocyclic ring contains three carbon atoms

DEFINITION

Classification: 570/133

Carbocyclic ring contains three carbon atoms:

(under subclass 124) Compound which contains a ring consisting of three and only three carbon atoms.