| 523 / | HD | SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES |
|
| * | 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} |
| 400 | DF | .~.~ Process of forming a composition containing a nonreactive material (NRM) and a polymer containing more than one 1,2-epoxy group, or a preformed polymer derived from or admixed with a reactant containing more than one 1,2-epoxy group, or with a polymer derived from an epihalohydrin and a polyhydric phenol or polyol; or composition or product thereof {24} |
| 402 | DF | .~.~.~ Product contains water per se or water of hydration as designated nonreactive material (DNRM) {7} |
| 406 | DF | .~.~.~.~ Solid polymer derived from ethylenic reactants only (includes in situ reactants from plural 1,2-epoxides) {4} |
| 408 |  | .~.~.~.~.~ Two or more polymers derived from ethylenic reactants only |