US PATENT SUBCLASS 44 / 457
.~ Inorganic component (e.g., carbon dioxide, etc.)

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

300  DF  LIQUID FUELS (EXCLUDING FUELS THAT ARE EXCLUSIVELY MIXTURES OF LIQUID HYDROCARBONS) {31}
457.~ Inorganic component (e.g., carbon dioxide, etc.) {1}
458  DF  .~.~> Nitrogen or sulfur containing (e.g., carbon disulfide, etc.)

DEFINITION

Classification: 44/457

Inorganic component (e.g., carbon dioxide, etc.):

(under subclass 300) Compositions in which an inorganic ingredient is present.

(1) Note. Water is provided for as an ingredient herein.

SEE OR SEARCH THIS CLASS, SUBCLASS:

301+, for liquid fuels which are aqueous emulsions.