US PATENT SUBCLASS 44 / 399
.~.~.~ Nitrogen attached indirectly to the -C(=O)O- group by 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}
385  DF  .~ Containing organic -C(=O)O- compound (e.g., fatty acids, etc.) {8}
388  DF  .~.~ The single bonded oxygen is bonded directly to an additional carbon, which carbon may be single bonded to any element but may be multiple bonded only to carbon (i.e., carboxylic acid esters) {4}
399.~.~.~ Nitrogen attached indirectly to the -C(=O)O- group by nonionic bonding

DEFINITION

Classification: 44/399

Nitrogen attached indirectly to the -C(=O)O- group by nonionic bonding:

(under subclass 388) Compositions wherein the -C(=O)O- group is attached indirectly to nitrogen by nonionic bonding.

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