US PATENT SUBCLASS 508 / 557
.~.~.~ Plural nitrogens bonded directly to a single benzene ring

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}
545  DF  .~ Organic nitrogen compound {8}
556  DF  .~.~ Nitrogen attached indirectly to the nitrogen by nonionic bonding {3}
557.~.~.~ Plural nitrogens bonded directly to a single benzene ring

DEFINITION

Classification: 508/557

Plural nitrogens bonded directly to a single benzene ring:

(under subclass 556) Compositions wherein a single benzene ring is bonded directly to plural nitrogens.

(1) Note. An example of a component provided for herein is [figure]