US PATENT SUBCLASS 508 / 167
.~.~.~.~ The heavy metal is molybdenum or tungsten (e.g., molybdenum sulfide, etc.)


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}
154  DF  .~ Inorganic compound (except water) (Overbased or carbonated organic acidic compounds are not classified in this subclass or its indents on the basis of inorganic overbasing or carbonating agents; the overbased or carbonated compounds are treated as complexes, and are classified with the particular organic acidic compound) {8}
165  DF  .~.~ The inorganic compound contains heavy metal or aluminum {4}
166  DF  .~.~.~ Sulfide, selenide, or telluride of heavy metal or aluminum (e.g., lithopone, etc.) {1}
167.~.~.~.~ The heavy metal is molybdenum or tungsten (e.g., molybdenum sulfide, etc.) {2}
168  DF  .~.~.~.~.~> With organic nitrogen or halogen compound
169  DF  .~.~.~.~.~> With sulfur compound or additional inorganic metal compound


DEFINITION

Classification: 508/167

The heavy metal is molybdenum or tungsten (e.g., molybdenum sulfide, etc.):

(under subclass 166) Compositions which contain a sulfide, a selenide, or a telluride of molybdenum or tungsten.