| 430 / | HD | RADIATION IMAGERY CHEMISTRY: PROCESS, COMPOSITION, OR PRODUCT THEREOF |
| * | DD | IMAGING AFFECTING PHYSICAL PROPERTY OR RADIATION SENSITIVE MATERIAL, OR PRODUCING NONPLANAR OR PRINTING SURFACE - PROCESS, COMPOSITION, OR PRODUCT {1} |
| * | DD | .~ Radiation sensitive composition or product or process of making {4} |
| 913 | DF | .~.~ Initiator containing {8} |
| 919 | | .~.~.~ Nitrogen compound containing {1} |
| 920 | DF | .~.~.~.~> Nitrogen in heterocyclic ring |