US PATENT SUBCLASS 507 / 268
.~.~ Organic component contains a carbonyl group (e.g., aldehyde, ketone, etc.)

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}
268.~.~ Organic component contains a carbonyl group (e.g., aldehyde, ketone, etc.)

DEFINITION

Classification: 507/268

Organic component contains a carbonyl group (e.g., aldehyde, ketone, etc.):

(under subclass 203) Compositions wherein the organic component contains an oxygen double bonded to carbon.