Process for forming image

Details Process for forming image Process for forming image

1984-03-29

1986-07-08

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, 430351, 430617, 430619, G03C 140, G03C 554

Patent

active

045992967

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 capable of releasing a hydrophilic dye upon reaction with the light-sensitive silver halide by heating, after imagewise exposure or simultaneously with imagewise exposure, in a substantially water-free condition in the presence of a compound represented by the formula (A): ##STR1## wherein R.sup.1 represents a hydrogen atom or a monovalent or divalent aliphatic group; R.sup.2 and R.sup.3, which may be the same or different from each other, each represents a hydrogen atom, an aliphatic group or an aromatic group; R.sup.1 and R.sup.2 may be taken together to form a heterocyclic ring; R.sup.2 and R.sup.3 may be taken together to form a heterocyclic ring; and n represents 1 or 2, to imagewise form a mobile dye is disclosed.

REFERENCES:
patent: 3955982 (1976-05-01), Van Allan et al.
patent: 4430415 (1984-02-01), Acho et al.
patent: 4500626 (1985-02-01), Naito et al.
"Aldonamides . . . ", Humphlett et al., Research Disclosure No. 12021, 4/1974, pp. 14-16.

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