| 430 / | HD | RADIATION IMAGERY CHEMISTRY: PROCESS, COMPOSITION, OR PRODUCT THEREOF |
| 495.1 | DF | RADIATION SENSITIVE PRODUCT {7} |
| 502 | DF | .~ Two or more radiation-sensitive layers containing other than that characterized by the composition of a single sensitive layer {3} |
| 503 | DF | .~.~ Layers sensitive to different spectral regions {4} |
| 504 | ![]() | .~.~.~ Ingredient for color compensation or correction containing |