| 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} |
| 545 | DF | .~ Organic nitrogen compound {8} |
| 551 |  | .~.~ Having -C(=X)- bonded directly to the nitrogen, wherein X is oxygen or sulfur {4} |
| 552 | DF | .~.~.~> Additional nitrogen bonded directly to the -C(=X)- group (e.g., ueas, etc.) |
| 553 | DF | .~.~.~> Having -OH substituted benzene ring bonded directly to the -C(=X)- or to the nitrogen (wherein H of -OH may be replaced by metal, ammonium, or substituted ammonium; e.g., salicylamides, etc.) |
| 554 | DF | .~.~.~> Plural nitrogens bonded directly to a single acyclic hydrocarbon chain (e.g., amides of ethylene diamine, etc.) |
| 555 | DF | .~.~.~> Additional oxygen or sulfur attached indirectly to the nitrogen by acyclic nonionic bonding (e.g., oxamides, etc.) |