US PATENT SUBCLASS 44 / 421
.~.~.~ Plural nitrogens attached indirectly to each other by acyclic nonionic bonding

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}
420  DF  .~.~ Carbon double bonded to the nitrogen {1}
421.~.~.~ Plural nitrogens attached indirectly to each other by acyclic nonionic bonding

DEFINITION

Classification: 44/421

Plural nitrogens attached indirectly to each other by acyclic nonionic bonding:

(under subclass 420) Compositions wherein nitrogen is attached by acyclic nonionic bonding to a further nitrogen.

(1) Note. Neither of the nitrogens in the text of this definition has to be the nitrogen that is double bonded to carbon.

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