| 508 / | HD | SOLID ANTI-FRICTION DEVICES, MATERIALS THEREFOR, LUBRICANT OR SEPARATE COMPOSITIONS FOR MOVING SOLID SURFACES, AND MISCELLANEOUS MINERAL OIL COMPOSITIONS |
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| 110 | DF | LUBRICANTS OR SEPARANTS FOR MOVING SOLID SURFACES AND MISCELLANEOUS MINERAL OIL COMPOSITIONS (E.G., WATER CONTAINING, ETC.) {53} |
| 185 | DF | .~ Organic compound containing boron {7} |
| 189 | DF | .~.~ Nitrogen containing (i.e., nitrogen and boron in the same compound) {4} |
| 190 |  | .~.~.~ The nitrogen is in a heterocyclic ring, which ring either appears in the compound or has been reacted with a boron compound; a heterocyclic ring is one having as ring members only carbon and at least one hetero atom selected from nitrogen and chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) {2} |
| 191 | DF | .~.~.~.~> The nitrogen heterocyclic ring contains ring chalcogen (e.g., oxazoline compounds, etc.) |
| 192 | DF | .~.~.~.~> The nitrogen heterocyclic ring has chalcogen bonded directly to ring carbon adjacent to ring nitrogen (e.g., succinimide compounds, etc.) |