| 525 / | HD | SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES |
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| * | DD | SYNTHETIC RESINS (Class 520, Subclass 1) {4} |
| 50 | DF | .~ MIXING OF TWO OR MORE SOLID POLYMERS; MIXING OF SOLID POLYMER OR SICP WITH SICP OR SPFI; MIXING OF SICP WITH AN ETHYLENIC AGENT; MIXING OF SOLID POLYMER WITH A CHEMICAL TREATING OR ETHYLENIC AGENT; OR PROCESSES OF FORMING OR REACTING; OR THE RESULTANT PRODUCT OF ANY OF THE ABOVE OPERATIONS {32} |
| 461 | DF | .~.~ Solid polymer derived from O-C(=O)-O- or hal-C(=O)-containing reactant {1} |
| 462 |  | .~.~.~ Solid polymer derived from O-C(=O)-O- or hal-C(=O)-containing reactant and polyhydroxy reactant {8} |
| 463 | DF | .~.~.~.~> Mixed with reactant containing more than one 1,2-epoxy group per mole or polymer derived therefrom |
| 464 | DF | .~.~.~.~> Mixed with silicon-containing reactant or polymer derived therefrom |
| 465 | DF | .~.~.~.~> Mixed with aldehyde or aldehyde derivative reactant or reaction product therefrom |
| 466 | DF | .~.~.~.~> Mixed with polycarboxylic acid or derivative and polyhydroxy reactants or polymer thereof; or di- or higher ester of polycarboxylic acid as sole reactant or polymer therefrom |
| 467 | DF | .~.~.~.~> Mixed with nitrogen-containing reactant or polymer therefrom |
| 468 | DF | .~.~.~.~> Mixed with ethylenically unsaturated reactant or polymer therefrom |
| 469 | DF | .~.~.~.~> Solid polymer derived from O-C(=O)-O- or hal-C(=O)- and polyhydroxy reactant derived from at least two polyhydroxy reactants |
| 470 | DF | .~.~.~.~> Solid polymer derived from O-C(=O)-O- or hal-C(=O)- reactant and polyhydroxy reactant contains an atom other than C, H, O, or halogen bonded to a C(=O) group |