| 525 / | HD | SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES |
|
| * | 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} |
| 242 | DF | .~.~.~ Polymer derived from ethylenic reactants only mixed with ethylenic reactant {21} |
| 298 |  | .~.~.~.~ Ethylenic reactant contains an oxygen atom {5} |
| 299 | DF | .~.~.~.~.~> Block copolymer derived from oxygen-containing reactant |
| 300 | DF | .~.~.~.~.~> Oxygen atom is part of a ketone or ketene group |
| 301 | DF | .~.~.~.~.~> Oxygen atom is part of a carboxylic acid group {1} |
| 302 | DF | .~.~.~.~.~> Oxygen atom is part of a carboxylic acid ester group {5} |
| 312 | DF | .~.~.~.~.~> Oxygen atom is part of an ether group |