| 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} |
| 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} |
| 233 |  | .~.~.~ An additional reactant is an alkadiene polymer {1} |
| 234 | DF | .~.~.~.~> The alkadiene polymer is a terpolymer of ethylene, monoolefin, and alkadiene |