| 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} |
| 418 |  | .~.~.~.~.~ Sulfur atom DNRM {4} |
| 419 | DF | .~.~.~.~.~.~> Two or more sulfur atoms; or at least one atom other than S, O, H, or a metal |
| 420 | DF | .~.~.~.~.~.~> Devoid of an oxygen atom, e.g., sulfide, etc. |
| 421 | DF | .~.~.~.~.~.~> At least one hydrogen atom {1} |
| 423 | DF | .~.~.~.~.~.~> Sulfate group, e.g., calcium sulfate, etc. |