US PATENT SUBCLASS 44 / 439
.~.~.~ Acyclic ketone

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}
439.~.~.~ Acyclic ketone

DEFINITION

Classification: 44/439

Acyclic ketone:

(under subclass 437) Compositions wherein the -C(=O)- compound is an acyclic ketone.

(1) Note. An example of an ingredient provided for herein is acetone.