| 523 / | 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 | .~ PROCESSES OF PREPARING A DESIRED OR INTENTIONAL COMPOSITION OF AT LEAST ONE NONREACTANT MATERIAL AND AT LEAST ONE SOLID POLYMER OR SPECIFIED INTERMEDIATE CONDENSATION PRODUCT, OR PRODUCT THEREOF {71} |
| 500 | DF | .~.~ Process of forming a composition of an ethylenically unsaturated reactant or ethylenically unsaturated polymer admixed with nonreactive material (NRM) and a polyester whose polymer backbone was derived through the direct formation of the ester linkage, e.g., polyethylene terephthalate, polycaprolactone, etc., or product thereof {17} |
| 501 | DF | .~.~.~ Product contains water per se or water of hydration as DNRM or admixed with other designated nonreactant material {4} |
| 505 |  | .~.~.~.~ Metal compound other than silicate as DNRM |