| 524 / | HD | SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES |
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| * | DD | SYNTHETIC RESINS (Class 520, Subclass 1) {1} |
| * | DD | .~ 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 (Class 523, subclass 1) {17} |
| 700 | DF | .~.~ Preparation of intentional or desired composition by formation of a solid polymer (SP) or SICP in presence of a designated nonreactant material (DNRM) other than solely water, hydrocarbon, silicon dioxide, glass, titanium dioxide or elemental carbon, composition thereof; or process of treating or composition thereof {23} |
| 742 |  | .~.~.~ Elemental or organic sulfur compound as DNRM {4} |
| 743 | DF | .~.~.~.~> Sulfone, e.g., sulfolane, etc. |
| 744 | DF | .~.~.~.~> DMSO with additional oxygen or halogen compound DNRM |
| 745 | DF | .~.~.~.~> Sulfate, sulfonate ester, sulfonic acid, or salt thereof {3} |
| 750 | DF | .~.~.~.~> Mercaptan, mercaptide, or thioether, e.g., aryl-SH, etc. |