Method for forming an image

Details Method for forming an image Method for forming an image

1986-08-19

1988-03-08

Schilling, Richard L.

Radiation imagery chemistry: process, composition, or product th

Thermographic process

Heat applied after imaging

430203, 430224, 430225, G03C 554, G03C 140

Patent

active

047299428

ABSTRACT:
A method for forming an image comprising heating a light-sensitive material comprising a support having provided thereon at least a light-sensitive silver halide and a dye developer in the presence of a base and/or a base precursor after or simultaneously with imagewise exposure to imagewise distribute a mobile non-oxidation type dye developer, wherein the dye developer is a compound having a dye moiety having a ballast group which is split off upon heating in the presence of the base and/or base precursor and a developer moiety against the silver halide in one molecule, is disclosed. According to the method of the present invention, images which are improved in image identification and color separation characteristics are obtained by heat development of the light-sensitive material.

REFERENCES:
patent: 3579334 (1971-05-01), Cieciuch et al.
patent: 3982946 (1976-09-01), Maekawa et al.
patent: 4310612 (1982-01-01), Mooberry et al.
patent: 4560644 (1985-12-01), Naito et al.
patent: 4606991 (1986-08-01), Kawata et al.
patent: 4636455 (1987-01-01), Aono et al.

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