| 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} |
| 55 | DF | .~.~ At least one solid polymer derived from ethylenic reactants only {25} |
| 165 | DF | .~.~.~ With polycarboxylic acid or derivative and a polyol at least one of which is saturated, a condensate or solid polymer thereof; or with solid polymer derived from at least one polycarboxylic acid or derivative and at least one polyol wherein at least one the reactants forming the solid polymer is saturated {10} |
| 168 |  | .~.~.~.~ Polycarboxylic acid or derivative, polyol, or other coreactant contains an ethylenic group; or wherein a condensate thereof has been prepared from a polycarboxylic acid or derivative and a polyol and subsequently reacted with an ethylenic reactant {3} |
| 169 | DF | .~.~.~.~.~> Solid polymer derived from ethylenic reactants only derived from at least one reactant containing an atom other than C, H, or O |
| 170 | DF | .~.~.~.~.~> Solid polymer derived from ethylenic reactants only derived from at least one reactant containing an oxygen atom |
| 171 | DF | .~.~.~.~.~> Solid polymer derived from ethylenic reactants only derived from at least one hydrocarbon reactant containing at least two ethylenic groups |