Radiation imagery chemistry: process – composition – or product th – Transfer procedure between image and image layer – image... – Diffusion transfer process – element – or identified image...
Patent
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.
Aono Toshiaki
Fujita Shinsaku
Sakaguchi Yukihiko
Fuji Photo Film Co. , Ltd.
Schilling Richard L.
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