| 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} |
| 17 | DF | .~.~.~ Protein or biologically active polypeptide DNRM excluding wheat flour or natural cereals which may contain protein ingredient {5} |
| 21 | DF | .~.~.~.~ Animal derived protein or polypeptide other than casein, e.g., blood, egg albumin, etc. {1} |
| 22 | DF | .~.~.~.~.~ Gelatin {1} |
| 23 |  | .~.~.~.~.~.~ Solid polymer derived from ethylenic reactants only {1} |
| 24 | DF | .~.~.~.~.~.~.~> Derived from carboxylic acid or derivative |