US PATENT SUBCLASS 44 / 339
.~.~.~ The hetero ring is unsubstituted or hydrocarbyl substituted only, or salts thereof (e.g., pyridyl salicylate salts, isoquinoline, 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}
329  DF  .~ Heterocyclic carbon compound containing a hetero ring having chalcogen or nitrogen as the only ring hetero atoms {6}
333  DF  .~.~ The hetero ring contains six members including nitrogen and carbon {5}
339.~.~.~ The hetero ring is unsubstituted or hydrocarbyl substituted only, or salts thereof (e.g., pyridyl salicylate salts, isoquinoline, etc.)

DEFINITION

Classification: 44/339

The hetero ring is unsubstituted or hydrocarbyl substituted only, or salts thereof (e.g., pyridyl salicylate salts, isoquinoline, etc.):

(under subclass 333) Compositions wherein the ring members of the six-membered hetero ring may be unsubstituted or hydrocarbyl-substituted only, or salts thereof.

(1) Note. Examples of ingredients provided for herein are: [figure]