US PATENT SUBCLASS 430 / 216
.~.~.~.~ Identified neutralizing layer or ingredient containing or dye stabilizer containing

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}
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}
216.~.~.~.~ Identified neutralizing layer or ingredient containing or dye stabilizer containing

DEFINITION

Classification: 430/216

Identified neutralizing layer or ingredient containing or dye stabilizer containing:

(under subclass 212) Element containing an identified neutralizing layer or ingredient adapted to adjust the pH of the processing composition during processing to more neutral pH, or containing an ingredient which stabilizes a dye image.