US PATENT SUBCLASS 44 / 406
.~.~.~ The nitrogen is bonded directly to an additional -C(=O)- group

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}
385  DF  .~ Containing organic -C(=O)O- compound (e.g., fatty acids, etc.) {8}
405  DF  .~.~ Nitrogen attached indirectly to the -C(=O)O- group by acyclic nonionic bonding {1}
406.~.~.~ The nitrogen is bonded directly to an additional -C(=O)- group {1}
407  DF  .~.~.~.~> Plural nitrogens or plural chalcogens attached indirectly to the -C(=O)O- group by acyclic nonionic bonding

DEFINITION

Classification: 44/406

The nitrogen is bonded directly to an additional -C(=O)- group:

(under subclass 405) Compositions wherein an additional -C(=O)- group is bonded directly to the nitrogen.

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