Process for forming image

Details Process for forming image Process for forming image

1984-03-12

1985-07-09

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...

430223, 430351, 430562, G03C 140, G03C 554

Patent

active

045282587

ABSTRACT:
A process for forming an image which comprises heating a light-sensitive material comprising a support having thereon at least a light-sensitive silver halide, a binder and a dye-releasing redox compound which is reductive to the light-sensitive silver halide and which is capable of releasing a hydrophilic dye upon reaction with the light-sensitive silver halide on heating, after imagewise exposure or simultaneously with imagewise exposure, in a substantially water-free condition the dye-releasing redox compound being represented by the formula (I) wherein R represents a phenyl group having a hydroxy-substituted alkoxy group or an alkoxy-substituted alkoxy group at at least the 2-position thereof with respect to the diazo group and a group of the formula --SO.sub.2 NH--Y at the 5-position thereof with respect to the diazo group where Y represents a group capable of being oxidized silver halide to release a dye moiety including the --SO.sub.2 NH moiety.

REFERENCES:
patent: 4013633 (1977-03-01), Haase et al.
patent: 4245028 (1981-01-01), Fujita et al.
patent: 4463079 (1984-07-01), Naito et al.

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