| 524 / | HD | SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES | 
| 
 | 
| * | 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} | 
| 284 | DF | .~.~.~.~.~ Carboxylic acid or derivative and wherein the derivative is other than a metal salt DNRM {3} | 
| 287 | DF | .~.~.~.~.~.~ Aryl group {5} | 
| 290 |  | .~.~.~.~.~.~.~ Oxygen atom other than as part of a carboxylic acid or ester group {2} | 
| 291 | DF | .~.~.~.~.~.~.~>.~ OH group other than as part of a COOH group, e.g., salicylic acid, etc. | 
| 292 | DF | .~.~.~.~.~.~.~>.~ Carbonyl of a carboxylic acid or ester group directly attached to an aryl group, e.g., dipropylene glycol dibenzoate, etc. |