US PATENT SUBCLASS 430 / 248
.~.~.~ Including silver transfer image toning or stabilizing, or separate post transfer treatment of element or layer containing silver image

Current as of: June, 1999
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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}
248.~.~.~ Including silver transfer image toning or stabilizing, or separate post transfer treatment of element or layer containing silver image

DEFINITION

Classification: 430/248

Including silver transfer image toning or stabilizing, or separate post transfer treatment of element or layer containing silver image:

(under subclass 244) Processes employing an identified ingredient which reacts with a silver image formed during processing to stabilize the silver image or to change the color of the silver image, including changing it to black, of treating a layer containing a formed silver image.