| 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} |
| 132 |  | .~.~.~ With saturated phenolic reactant or polymer thereof; or with solid copolymer derived from at least one phenolic reactant wherein at least one of the reactants forming the solid copolymer is saturated; or with SPFI wherein at least one of the necessary ingredients is a phenolic reactant or with a reaction product thereof; or with a SICP containing a phenolic group Si-H or Si-C bond {8} |
| 133 | DF | .~.~.~.~> Contacting two or more solid polymers with a phenolic reactant; or contacting a solid polymer with a phenolic reactant and subsequently contacting the treated polymer with an additional solid polymer |
| 133.5 | DF | .~.~.~.~> With a reactant which is a fatty acid glycerol ester, a fatty acid or salt derived from a naturally occurring glyceride, tall oil, or a fatty acid derived from tall oil |
| 134 | DF | .~.~.~.~> Contacting with aldehyde or aldehyde-type reactant or polymer therefrom {9} |
| 146 | DF | .~.~.~.~> With a -O-C(=O)-O-, -O-C(=O)-hal or hal-C(=O)-hal group-containing reactant or polymer thereof {2} |
| 149 | DF | .~.~.~.~> Contains ethylenic reactant other than from a solid polymer derived from ethylenic reactants only, e.g., reaction product from a phenol and unsaturated hydrocarbon, etc. |
| 150 | DF | .~.~.~.~> Phenolic reactant contains a phosphorus or sulfur atom or with phosphorus- or sulfur-containing reactant |
| 151 | DF | .~.~.~.~> Solid polymer derived from ethylenic reactants only is derived from a reactant containing at least one halogen atom |
| 152 | DF | .~.~.~.~> Solid polymer derived from ethylenic reactants only is derived from a reactant containing a polycyclic ring system or two or more ethylenic groups |