| 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} |
| 304 | DF | .~.~ Oxygen-containing hetero ring (e.g., allyl glycidyl ether, etc.) {2} |
| 307 | DF | .~.~.~ The hetero ring contains at least five ring members (e.g., 1,3-dioxane, furan, etc.) {1} |
| 308 | DF | .~.~.~.~ Having -C(=O)O- attached directly or indirectly to the hetero ring by nonionic bonding (e.g., sorbitan esters, etc.) {3} |
| 311 |  | .~.~.~.~.~ With sulfonic or carboxylic acid, or salt thereof |