523 / | HD | SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES |
* | DD | SYNTHETIC RESINS (Class 520, Subclass 1) {1} |
1 | DF | .~ 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 {71} |
124 | DF | .~.~ Composition containing an additive which enhances degradation by environmental stimuli or process of preparing {2} |
125 | DF | .~.~.~ By light, heat, or radiation {2} |
126 | .~.~.~.~ Containing organic salt of a transition metal |