| 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} |
| 459 | DF | .~ Organic -C(=O)O- compound {19} |
| 516 | DF | .~.~ Chalcogen attached indirectly to the -C(=O)O- group by nonionic bonding {3} |
| 518 | ![]() | .~.~.~ The chalcogen and the carbon of the -C(=O)O- group are bonded to a single benzene ring (e.g., salicylic acid salts, etc.) |