| 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} |
| 221 | DF | .~ Compound of indeterminate structure, prepared by reacting a heterocyclic compound of known structure; a heterocyclic ring is one having as ring members only carbon and at least one hetero atom selected from nitrogen and chalcogen (oxygen, sulfur, selenium, or tellurium) {9} |
| 232 | DF | .~.~ The heterocyclic compound reactant contains a carboxylic acid anhydride ring {7} |
| 239 | | .~.~.~ An additional reactant is a hydroxylamine or an alcoholic or phenolic hydroxy compound {1} |
| 240 | DF | .~.~.~.~> Nitrogen attached directly or indirectly to the hydroxy group by nonionic bonding |