| 528 / | HD | SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES |
|
| * | DD | SYNTHETIC RESINS (Class 520, Subclass 1) {23} |
| 271 | DF | .~ FROM CARBOXYLIC ACID OR DERIVATIVE THEREOF {10} |
| 310 | DF | .~.~ From imide- or lactam-containing compound, or from an amino-nitrogen containing carboxylic acid, or derivative of an amino-nitrogen-containing carboxylic acid {9} |
| 312 |  | .~.~.~ Polymerizing in the presence of a specified material other than reactant {8} |
| 313 | DF | .~.~.~.~> Material contains a phosphorus or sulfur atom |
| 314 | DF | .~.~.~.~> Material contains a nitrogen atom as a ring member of a heterocyclic ring other than where nitrogen heterocycle is solely part of a lactam ring |
| 315 | DF | .~.~.~.~> Material is a nitrogen-containing compound other than a lactam |
| 316 | DF | .~.~.~.~> Material is a ketone, aldehyde, or derivative |
| 317 | DF | .~.~.~.~> Material is an alcohol, ether, or inorganic alcoholate |
| 318 | DF | .~.~.~.~> Material is a carboxylic acid, acyl halide thereof, ester thereof, or lactone thereof |
| 319 | DF | .~.~.~.~> Material contains a polyvalent metal atom |
| 320 | DF | .~.~.~.~> Material contains a silicon atom |