| 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} | 
| 244 | DF | .~.~ Silver salt transfer process {6} | 
| 249 |  | .~.~.~ Developing with an identified silver halide developing agent {1} | 
| 250 | DF | .~.~.~.~> Hydroxylamine |