US PATENT SUBCLASS 44 / 455
.~.~ With inorganic additive

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}
454  DF  .~ Lead-containing organic compound {1}
455.~.~ With inorganic additive

DEFINITION

Classification: 44/455

With inorganic additive:

(under subclass 454) Compositions which contain, in addition to an organolead compound, an ingredient which is inorganic.