| 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} |
| 81 | DF | .~.~.~.~ Organic DNRM {21} |
| 86 | DF | .~.~.~.~.~ Nitrogen atom as part of a hetero ring DNRM {5} |
| 99 | DF | .~.~.~.~.~.~ Six-membered nitrogen ring, e.g., pyridine, etc. {2} |
| 100 |  | .~.~.~.~.~.~.~ Six-membered nitrogen ring having two or more ring nitrogen atoms {1} |
| 101 | DF | .~.~.~.~.~.~.~>.~ Three oxygen atoms are directly bonded to three nuclear carbon atoms of the nitrogen ring, e.g., (iso) cyanurate, etc. |