Hydrogen bond donating/accepting thermal solvents for image sepa

Details Hydrogen bond donating/accepting thermal solvents for image sepa Hydrogen bond donating/accepting thermal solvents for image sepa

1993-06-08

1998-12-01

Schilling, Richard L.

Radiation imagery chemistry: process, composition, or product th

Transfer procedure between image and image layer, image...

Diffusion transfer process, element, or identified image...

430218, 430617, 430619, G03C 840

Patent

active

058436189

ABSTRACT:
An aqueous-developable chromogenic photographic heat-transferable non-aqueous dye-diffusion-transfer photographic element is disclosed, wherein said element comprises radiation sensitive silver halide, a dye-providing compound that forms or releases a heat-transferable image dye upon reaction of said compound with the oxidation product of a primary amine developing agent, a hydrophilic binder, and a thermal solvent for facilitating non-aqueous diffusion transfer according to formula (I) ##STR1## wherein AH is a hydrogen bond donating group with an aqueous pK.sub.a value for proton loss of greater than 6;

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