US PATENT SUBCLASS 44 / 371
.~.~ Nitrogen or -C(=X)-, wherein X is chalcogen, attached indirectly to the sulfonate group by nonionic bonding

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


44 /   HD   FUEL AND RELATED COMPOSITIONS

300  DF  LIQUID FUELS (EXCLUDING FUELS THAT ARE EXCLUSIVELY MIXTURES OF LIQUID HYDROCARBONS) {31}
370  DF  .~ Containing organic -S(=O)(=O)O- compound (i.e., sulfonates) {4}
371.~.~ Nitrogen or -C(=X)-, wherein X is chalcogen, attached indirectly to the sulfonate group by nonionic bonding

DEFINITION

Classification: 44/371

Nitrogen or -C(=X)-, wherein X is chalcogen, attached

indirectly to the sulfonate group by nonionic bonding:

(under subclass 370) Compositions wherein the -S(=O)(=O)O- is attached indirectly to nitrogen or to -C(=X)-, wherein X is chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) by nonionic bonding.

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