| 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} |
| 243 | DF | .~ Heterocyclic ring 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) {4} |
| 268 | DF | .~.~ The hetero ring contains five members including nitrogen and carbon (e.g., polyvinylpyrrolidone, etc.) {4} |
| 269 | DF | .~.~.~ Plural hetero atoms in the hetero ring (e.g., pyrazoles, benzimidazoles, etc.) {3} |
| 283 |  | .~.~.~.~ The hetero ring is a monocyclic 1,3-diazole or a monocyclic hydrogenated 1,3-diazole {3} |
| 284 | DF | .~.~.~.~.~> Chalcogen or nitrogen bonded directly to ring carbon of the 1,3-hetero ring , or the 1,3-hetero ring has two double bonds between ring members |
| 285 | DF | .~.~.~.~.~> Having -C(=X)-, wherein X is chalcogen, attached indirectly to the 1,3- hetero ring by nonionic bonding |
| 286 | DF | .~.~.~.~.~> Organic phosphorus compound salt of the 1,3-hetero ring compound, or an organic phosphorus compound is present |