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} |
523 | DF | .~.~ Solid polymer contains more than one 1,2-epoxy group or is derived from reactant containing at least one 1,2-epoxy group {4} |
524 | | .~.~.~ Mixed with a reactant containing more than one 1,2-epoxy group per mole or polymer derived therefrom {1} |
525 | DF | .~.~.~.~> Wherein at least one of said 1,2-epoxy reactants or polymer derived therefrom contains atoms other than C, H, or O {2} |