US PATENT SUBCLASS 507 / 234
.~.~.~ Organic component contains a direct carbon to silicon bond

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}
233  DF  .~.~ Organic component contains silicon attached directly or indirectly to carbon by nonionic bonding {1}
234.~.~.~ Organic component contains a direct carbon to silicon bond

DEFINITION

Classification: 507/234

Organic component contains a direct carbon to silicon bond:

(under subclass 233) Compositions containing silicon directly bonded to carbon.

(1) Note. Included in this subclass are silicones, siloxanes, organosilanes, etc.