US PATENT SUBCLASS 204 / 158.1
.~.~.~.~ Carbocyclic ring containing

Current as of: June, 1999
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204 /   HD   CHEMISTRY: ELECTRICAL AND WAVE ENERGY

*  DD  PROCESSES AND PRODUCTS {7}
157.15  DF  .~ Processes of treating materials by wave energy {6}
157.6  DF  .~.~ Process or preparing desired organic product containing at least one atom other than carbon and hydrogen {16}
157.94  DF  .~.~.~ Halogen product produced {5}
158.1.~.~.~.~ Carbocyclic ring containing

DEFINITION

Classification: 204/158.1

Carbocyclic ring containing:

(under subclass 157.94) Subject matter wherein the halogen containing product produced contains a ring composed solely of carbon atoms.

SEE OR SEARCH THIS CLASS, SUBCLASS:

158.1, for a product containing an aryl ring.