| 522 / | HD | SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES |
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| * | DD | SYNTHETIC RESINS (Class 520, Subclass 1) {1} |
| 1 | DF | .~ COMPOSITIONS TO BE POLYMERIZED BY WAVE ENERGY WHEREIN SAID COMPOSITION CONTAINS A RATE-AFFECTING MATERIAL; OR COMPOSITIONS TO BE MODIFIED BY WAVE ENERGY WHEREIN SAID COMPOSITION CONTAINS A RATE-AFFECTING MATERIAL; OR PROCESSES OF PREPARING OR TREATING A SOLID POLYMER UTILIZING WAVE ENERGY {27} |
| 150 | DF | .~.~ Processes of treating a solid polymer derived from ethylenic monomers only; or compositions therefore {4} |
| 157 | DF | .~.~.~ Solid polymer derived from monomer containing only carbon and hydrogen {3} |
| 158 |  | .~.~.~.~ At least one reactant contains two or more ethylenic groups {1} |
| 159 | DF | .~.~.~.~.~> Polyisoprene or natural rubber |