US PATENT SUBCLASS 508 / 371
.~.~ The heavy metal is 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.~.~ The heavy metal is zinc {4}
372  DF  .~.~.~> With organic sulfonate compound {2}
375  DF  .~.~.~> With organic nitrogen compound {1}
377  DF  .~.~.~> With organic phosphorus compound that does not contain zinc
378  DF  .~.~.~> With organic chalcogen compound that does not contain phosphorus


DEFINITION

Classification: 508/371

The heavy metal is zinc:

(under subclass 368) Compositions wherein zinc is the heavy metal.

(1) Note. An example of a component provided for herein is zinc dihexyl dithiophosphate.