Radiation imagery chemistry: process – composition – or product th – Thermographic process – Heat applied after imaging
Patent
1996-11-15
1998-12-01
Chea, Thorl
Radiation imagery chemistry: process, composition, or product th
Thermographic process
Heat applied after imaging
430203, 430224, 430235, 430247, 430251, 430354, 430355, 430543, G03C 840
Patent
active
058436286
ABSTRACT:
A color image formation method excellent in discrimination and color image stability after processing which comprises overlaying a heat developable color light-sensitive material with a complexing agent sheet in the presence of a small amount of water therebetween after or during imagewise exposure, said light-sensitive material comprising a support having provided thereon at least a light-sensitive silver halide, a binder, a coupler, a reducing agent and a slightly-water-soluble basic metal compound, said sheet comprising a support having provided thereon at least a compound forming a complex with a metal ion constituting said basic metal compound; and heat developing the light-sensitive material to obtain a color image thereon, wherein the silver chloride content of said silver halide is 80 mol % or more, said complexing agent sheet comprises a physical development nucleus and a solvent for a silver halide, and said reducing agent is at least one compound of specified phenols, hydrazines and hydrazones.
REFERENCES:
patent: 5667945 (1997-09-01), Takeuchi et al.
patent: 5677104 (1997-10-01), Hirai et al.
Miyake Kiyoteru
Taguchi Toshiki
Chea Thorl
Fuji Photo Film Co. , Ltd.
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