US PATENT SUBCLASS 508 / 131
.~.~ With synthetic polymer (e.g., ethylene-propylene copolymer, 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}
113  DF  .~ Graphite, coal, or elemental carbon {10}
131.~.~ With synthetic polymer (e.g., ethylene-propylene copolymer, etc.)

DEFINITION

Classification: 508/131

With synthetic polymer (e.g., ethylene-propylene copolymer, etc.):

(under subclass 113) Compositions which contain, in addition to the graphite, coal, or elemental carbon, a polymer prepared by synthetic means.