| 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} |
| 344 |  | .~.~ From vinyl chloride {4} |
| 344.1 | DF | .~.~.~> Bulk or mass polymerization of vinyl chloride only |
| 344.2 | DF | .~.~.~> Polymerization of vinyl chloride only in an aqueous medium |
| 344.3 | DF | .~.~.~> Polyvinyl chloride characterized by physical shape, e.g., fiber, sheet, etc. |
| 345 | DF | .~.~.~> Interpolymerized |