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} |