US PATENT SUBCLASS 508 / 113
.~ Graphite, coal, or elemental carbon

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}
113.~ Graphite, coal, or elemental carbon {10}
114  DF  .~.~> With silk, sponge, hair, skin, leather, meat, or fibrous plant matter (e.g., cork, bamboo, bark, sawdust, cotton, etc.)
115  DF  .~.~> With naturally occurring resin, salt thereof, agar, natural rubber, tar, pitch, animal glue, turpentine, or carbohydrate gum
116  DF  .~.~> With organic -C(=O)O-compound {6}
123  DF  .~.~> With elemental or alloyed metal {1}
125  DF  .~.~> With boron compound or elemental sulfur
126  DF  .~.~> With silicon compound {1}
128  DF  .~.~> With organic sulfur, phosphorus, or nitrogen compound
129  DF  .~.~> With inorganic compound (except water)
130  DF  .~.~> With organic oxygen or halogen compound
131  DF  .~.~> With synthetic polymer (e.g., ethylene-propylene copolymer, etc.)

DEFINITION

Classification: 508/113

Graphite, coal, or elemental carbon:

(under subclass 110) Compositions which contain elemental carbon, coal or graphite.

SEE OR SEARCH CLASS

516, Colloid Systems and Wetting Agents; Subcombinations

Thereof; Processes of Making, Stabilizing, Breaking, or Inhibiting,

32, for colloid systems of colloid-sized carbon (e.g., diamond, graphite) dispersed in primarily organic continuous liquid phase, subclasses 38+ for colloid systems of colloid-sized bituminous, coal, or Carbon phase dispersed in aqueous continuous liquid phase, cross-reference 901 for colloid systems of substantially pure elemental carbon (graphite, lamp black, carbon black, fullerenes); or agents for such systems or making or stabilizing such systems or agents; in each instance, when generically claimed or when there is no hierarchically superior provision in the USPC for the specifically claimed art.