US PATENT SUBCLASS 44 / 419
.~.~.~ Additional nitrogen attached indirectly to the -C(=X)- group 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}
418  DF  .~.~ Having -C(=X)- bonded directly to the nitrogen, wherein X is chalcogen {1}
419.~.~.~ Additional nitrogen attached indirectly to the -C(=X)- group by acyclic nonionic bonding

DEFINITION

Classification: 44/419

Additional nitrogen attached indirectly to the -C(=X)- group by acyclic nonionic bonding:

(under subclass 418) Compositions wherein the -C(=X)- group is attached indirectly to an additional nitrogen by acyclic nonionic bonding.

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