US PATENT SUBCLASS 44 / 336
.~.~.~.~ Triazine or 1,3-diazine

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}
335  DF  .~.~.~ Plural nitrogens in the hetero ring (e.g., piperazines, etc.) {1}
336.~.~.~.~ Triazine or 1,3-diazine

DEFINITION

Classification: 44/336

Triazine or 1,3-diazine:

(under subclass 335) Compositions wherein the six-membered hetero ring has three nitrogen ring members, or has two nitrogen ring members in the 1- and 3-positions of the ring.

(1) Note. An example of an ingredient provided for herein is: [figure]