| 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} | 
| 134 | DF | .~.~ Processes of chemically modifying a solid polymer or SICP derived from at least one saturated monomer by treating solid polymer or SICP with a chemical reactant; or compositions therefor {3} | 
| 135 | DF | .~.~.~ Chemical reactant is ethylenically unsaturated {3} | 
| 136 | DF | .~.~.~.~ Nitrogen {3} | 
| 139 | DF | .~.~.~.~.~ N-C=O containing {1} | 
| 140 |  | .~.~.~.~.~.~ Two or more N-C=O groups |