| 524 / | HD | SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES | 
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| * | DD | SYNTHETIC RESINS (Class 520, Subclass 1) {1} | 
| * | DD | .~ PROCESSES OF PREPARING A DESIRED OR INTENTIONAL COMPOSITION OF AT LEAST ONE NONREACTANT MATERIAL AND AT LEAST ONE SOLID POLYMER OR SPECIFIED INTERMEDIATE CONDENSATION PRODUCT, OR PRODUCT THEREOF (Class 523, subclass 1) {17} | 
| 1 | DF | .~.~ Adding a NRM to a preformed solid polymer or preformed specified intermediate condensation product, composition thereof; or process of treating or composition thereof {31} | 
| 80 | DF | .~.~.~ DNRM which is other than silicon dioxide, glass, titanium dioxide, water, halohydrocarbon, hydrocarbon, or elemental carbon {4} | 
| 401 | DF | .~.~.~.~ Inorganic compound devoid of a silicon atom DNRM {15} | 
| 408 | DF | .~.~.~.~.~ Group V metal atom DNRM (i.e., V, Nb, Ta, As, Bi, Sb) {1} | 
| 409 |  | .~.~.~.~.~.~ Antimony {2} | 
| 410 | DF | .~.~.~.~.~.~.~> Atom other than Sb and oxygen | 
| 411 | DF | .~.~.~.~.~.~.~> With halogenated nonreactant material {1} |