US PATENT SUBCLASS 507 / 137
.~.~ Organic component contains a carbocyclic group (e.g., cyclic alkyl, aromatic, tall oil, etc.)

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

100  DF  EARTH BORING {4}
103  DF  .~ Contains organic component {14}
137.~.~ Organic component contains a carbocyclic group (e.g., cyclic alkyl, aromatic, tall oil, etc.)

DEFINITION

Classification: 507/137

Organic component contains a carbocyclic

(under subclass 103) group (e.g., cyclic alkyl, aromatic, tall oil, etc.): Composition wherein the organic component contains at least one identified ring of carbon atoms (e.g., cyclic alkyls, aromatics, tall oils, such as abietic acid containing compositions, etc.).