US PATENT SUBCLASS 507 / 205
.~.~ Organic component contains fluorine bonded directly to carbon

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}
205.~.~ Organic component contains fluorine bonded directly to carbon

DEFINITION

Classification: 507/205

Organic component contains fluorine bonded directly to carbon:

(under subclass 203) Compositions containing a component having a direct carbon to fluorine bond.