| 430 / | HD | RADIATION IMAGERY CHEMISTRY: PROCESS, COMPOSITION, OR PRODUCT THEREOF |
| 199 | DF | TRANSFER PROCEDURE BETWEEN IMAGE AND IMAGE LAYER, IMAGE RECEIVING LAYERS, OR ELEMENT CONTAINING AN IMAGE RECEIVING LAYER OR AN INGREDIENT FOR FORMING AN IMAGE RECEIVING LAYER {3} |
| 202 | DF | .~ Diffusion transfer process, element, or identified image receiving layers therefor {8} |
| 211 | DF | .~.~ Element or identified image receiving layers for dye image formation {1} |
| 212 | DF | .~.~.~ Element containing silver salt sensitizer or either element or image receiving layer for use therewith {8} |
| 220 | DF | .~.~.~.~ Identified light absorbing, whitening, brightening, or reflecting agent other than nominal Ti02 {1} |
| 221 | | .~.~.~.~.~ pH sensitive |