| 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} |
| 202 | ![]() | .~ Organic compound containing silicon (e.g., silicon esters) {5} |
| 203 | DF | .~.~> The silicon is in a ring |
| 204 | DF | .~.~> Nitrogen attached directly or indirectly to the silicon by nonionic bonding |
| 205 | DF | .~.~> Phosphorus or -C(=X), wherein X is chalcogen, attached indirectly to the silicon by nonionic bonding |
| 206 | DF | .~.~> Halogen attached indirectly to the silicon by acyclic nonionic bonding |
| 207 | DF | .~.~> Carbon or hydrogen bonded directly to the silicon {1} |