US PATENT SUBCLASS 585 / 3
.~.~ O containing

Current as of: June, 1999
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585 /   HD   CHEMISTRY OF HYDROCARBON COMPOUNDS

1  DF  PRODUCT BLEND, E.G., COMPOSITION, ETC., OR BLENDING PROCESS PER SE {5}
2  DF  .~ With nonhydrocarbon additive {1}
3.~.~ O containing {1}
4  DF  .~.~.~> And N containing {1}

DEFINITION

Classification: 585/3

O containing:

(under subclass 2) Subject matter wherein a nonhydrocarbon additive contains oxygen.