US PATENT SUBCLASS 507 / 262
.~.~.~ Organic component contains a carbocyclic group

Current as of: June, 1999
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507 /   HD   EARTH BORING, WELL TREATING, AND OIL FIELD CHEMISTRY

200  DF  WELL TREATING {4}
203  DF  .~ Contains organic component {17}
261  DF  .~.~ Organic component contains ether linkage (e.g., PEG ether, etc.) {1}
262.~.~.~ Organic component contains a carbocyclic group

DEFINITION

Classification: 507/262

Organic component contains a carbocyclic group:

(under subclass 261) Compositions wherein the organic component contains at least one homocyclic carbon ring which may be aliphatic or aromatic.