US PATENT SUBCLASS 508 / 211
.~.~.~.~.~ Having -C(=X), wherein X is chalcogen, bonded directly to the nitrogen

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}
202  DF  .~ Organic compound containing silicon (e.g., silicon esters) {5}
207  DF  .~.~ Carbon or hydrogen bonded directly to the silicon {1}
208  DF  .~.~.~ Two silicons bonded directly to the same chalcogen (e.g., methylphenyl silicon, etc.) {3}
209  DF  .~.~.~.~ With organic nitrogen compound {2}
211.~.~.~.~.~ Having -C(=X), wherein X is chalcogen, bonded directly to the nitrogen

DEFINITION

Classification: 508/211

Having -C(=X), wherein X is chalcogen, bonded directly to the nitrogen:

(under subclass 209) Compositions wherein the nitrogen is bonded directly to -C(=X)-, wherein X is chalcogen (i.e., oxygen, sulfur, selenium, or tellurium).