US PATENT SUBCLASS 44 / 268
.~ Liquid hydrocarbon base (e.g., gasoline, etc.)

Current as of: June, 1999
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44 /   HD   FUEL AND RELATED COMPOSITIONS

265  DF  SOLIDIFIED LIQUID (E.G., GEL, ETC.) {2}
268.~ Liquid hydrocarbon base (e.g., gasoline, etc.) {4}
269  DF  .~.~> With plant derivative of unknown composition (except rosin or rosin derivatives) or carbohydrate
270  DF  .~.~> With organic nitrogen compound
271  DF  .~.~> With organic polymer polymerized through olefinic or acetylenic bond (e.g., methacrylate polymers, polypropylene, etc.)
272  DF  .~.~> With organic -C(=X)X- compound, wherein the X's are the same or diverse chalcogens (e.g., aluminum carboxylates, rosin salts, etc.)

DEFINITION

Classification: 44/268

Liquid hydrocarbon base (e.g., gasoline, etc.):

(under subclass 265) Compositions wherein a hydrocarbon, or a mixture of hydrocarbons, constitutes at least 50 percent of the normally liquid fuel.

(1) Note. Examples of such normally liquid fuels provided for herein are gasoline, kerosene, and naphtha.

(2) Note. See (5) Note of the class definition for the definition of the term hydrocarbon.

SEE OR SEARCH CLASS

516, Colloid Systems and Wetting Agents; Subcombinations Thereof; Processes of Making, Stabilizing, Breaking, or Inhibiting,

98+, for colloid systems of continuous or semicontinuous solid phase with discontinuous liquid phase (gels, pastes,

flocs, coagulates) or agents for such systems or making or stabilizing such systems or agents, when generically claimed or when there is no hierarchically superior provision in the USPC for the specifically claimed art.