US PATENT SUBCLASS 508 / 340
.~.~.~ The organic -C(=O)O- compound is naphthenic acid or a salt thereof


Current as of: June, 1999
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508 /   HD   SOLID ANTI-FRICTION DEVICES, MATERIALS THEREFOR, LUBRICANT OR SEPARATE COMPOSITIONS FOR MOVING SOLID SURFACES, AND MISCELLANEOUS MINERAL OIL COMPOSITIONS

110  DF  LUBRICANTS OR SEPARANTS FOR MOVING SOLID SURFACES AND MISCELLANEOUS MINERAL OIL COMPOSITIONS (E.G., WATER CONTAINING, ETC.) {53}
322  DF  .~ Sulfurized compound of indeterminate structure, which is a reaction product of an organic compound with sulfur halide, elemental sulfur, or metal polysulfide {16}
339  DF  .~.~ With an organic -C(=O)O- compound, which may or may not be reacted with the sulfurized compound {1}
340.~.~.~ The organic -C(=O)O- compound is naphthenic acid or a salt thereof


DEFINITION

Classification: 508/340

The organic -C(=O)O- compound is naphthenic acid or a salt thereof:

(under subclass 339) Compositions wherein the organic -C(=O)O- compound is naphthenic acid, per se, or a salt of naphthenic acid.