US PATENT SUBCLASS 44 / 438
.~.~.~ With alkanol or dialkyl ether

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}
436  DF  .~ Organic oxygen compound containing (e.g., alicyclic alcohols, hypochlorites, etc.) {9}
437  DF  .~.~ The oxygen is part of a -C(=O)- group {2}
438.~.~.~ With alkanol or dialkyl ether

DEFINITION

Classification: 44/438

With alkanol or dialkyl ether:

(under subclass 437) Compositions which contain, in addition to the -C(=O)- compound, an alkanol or a dialkyl ether; alkanol is ROH and dialkyl ether is ROR, with R in all occurrences being alkyl.