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} |
88 | DF | .~.~ Processes involving carbohydrate as reactant or as solid polymer; or compositions therefore {1} |
89 | | .~.~.~ Preparing a polymer from carbohydrate and ethylenic reactant |