US PATENT SUBCLASS 507 / 126
.~.~ Organic component is asphalt or a component or derivative thereof

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}
126.~.~ Organic component is asphalt or a component or derivative thereof

DEFINITION

Classification: 507/126

Organic component is asphalt or a component or derivative thereof:

(under subclass 103) Composition wherein said organic component is asphalt or a component or derivative thereof.

(1) Note. This subclass provides for GILSONITE (a tradename for an asphaltite), manjak, bitumen, brown asphalt, asphaltenes, maltenes, macadem, etc.