| 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} |
| 154 | DF | .~ Inorganic compound (except water) (Overbased or carbonated organic acidic compounds are not classified in this subclass or its indents on the basis of inorganic overbasing or carbonating agents; the overbased or carbonated compounds are treated as complexes, and are classified with the particular organic acidic compound) {8} |
| 155 | DF | .~.~ The inorganic compound contains boron (e.g., boron nitride, boramine, etc.) {1} |
| 156 | DF | .~.~.~ Oxygen bonded directly to the boron (e.g., metal borates, boric oxide, etc.) {4} |
| 159 |  | .~.~.~.~ With phosphorus compound |