US PATENT SUBCLASS 44 / 372
.~.~ Hydrazine or organic nitrogen compound salts of sulfonic acids

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}
370  DF  .~ Containing organic -S(=O)(=O)O- compound (i.e., sulfonates) {4}
372.~.~ Hydrazine or organic nitrogen compound salts of sulfonic acids

DEFINITION

Classification: 44/372

Hydrazine or organic nitrogen compound salts of sulfonic acids:

(under subclass 370) Compositions which contain a sulfonic acid which has been salified with hydrazine or with an organic nitrogen compound.

(1) Note. A sulfonic acid has the general formula, below, wherein R is an organic radical: [figure]

(2) Note. By organic nitrogen compound is meant a compound having nitrogen attached directly or indirectly, by nonionic bonding, to carbon of an organic compound. See Glossary in the class definition for the definition of "organic compound".

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