526 / | HD | SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES |
* | DD | SYNTHETIC RESINS (Class 520, Subclass 1) {8} |
72 | DF | .~ POLYMERS FROM ONLY ETHYLENIC MONOMERS OR PROCESSES OF POLYMERIZING, POLYMERIZABLE COMPOSITIONS CONTAINING ONLY ETHYLENIC MONOMERS AS REACTANTS OR PROCESSES OF PREPARING {43} |
89 | DF | .~.~ Polymerizing in the presence of a specified material other than monomer {28} |
227 | DF | .~.~.~ Material contains peroxy group compound (-O-O-) {8} |
232.3 | .~.~.~.~ Two or more peroxy groups in same compound |