| 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} |
| 195 | DF | .~.~.~ Material contains boron compound other than boron trihalide or non-metal organic complex of boron trihalide {1} |
| 196 |  | .~.~.~.~ Boron bonded to hydrogen or carbon atom compound {2} |
| 197 | DF | .~.~.~.~.~> With free oxygen or peroxy compound |
| 198 | DF | .~.~.~.~.~> Contains P, S, or N atom other than as elemental nitrogen |