US PATENT SUBCLASS 44 / 426
.~.~ Benzene ring bonded directly to the nitrogen

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}
412  DF  .~ Organic nitrogen compound containing {12}
426.~.~ Benzene ring bonded directly to the nitrogen {3}
427  DF  .~.~.~> Chalcogen attached directly or indirectly to the benzene ring by nonionic bonding {1}
429  DF  .~.~.~> The benzene ring is part of a polycyclo ring system
430  DF  .~.~.~> Plural nitrogens bonded to the same benzene {1}

DEFINITION

Classification: 44/426

Benzene ring bonded directly to the nitrogen:

(under subclass 412) Compositions in which the nitrogen is bonded directly to a benzene ring.

(1) Note. Examples of ingredients provided for herein are aniline and the various alkyl substituted anilines.