US PATENT SUBCLASS 508 / 377
.~.~.~ With organic phosphorus compound that does not contain zinc

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}
368  DF  .~ Heavy metal or aluminum in an organic phosphorus compound having four chalcogens bonded directly to the phosphorus {5}
371  DF  .~.~ The heavy metal is zinc {4}
377.~.~.~ With organic phosphorus compound that does not contain zinc

DEFINITION

Classification: 508/377

With organic phosphorus compound that does not contain zinc:

(under subclass 371) Compositions which contain, in addition to the zinc-organic phosphorus compound, an organic phosphorus compound that does not contain zinc.