US PATENT SUBCLASS 44 / 374
.~.~ With organic -C(=O)O- compound (e.g., carboxylic acids, esters, etc.)

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}
374.~.~ With organic -C(=O)O- compound (e.g., carboxylic acids, esters, etc.)

DEFINITION

Classification: 44/374

With organic -C(=O)O- compound (e.g., carboxylic acids, esters, etc.):

(under subclass 370) Compositions which contain, in addition to an organic sulfonate compound, an organic -C(=O)O- group containing compound.

(1) Note. An organic -C(=O)O- containing compound is one in which the carbon of the-C(=O)O- group is, or is attached directly or indirectly by nonionic bonding to, the carbon of an organic compound.

(2) Note. See Glossary in the class definition for the definition of "organic compound".