Image formation process

Details Image formation process Image formation process

1997-11-14

1998-06-30

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...

430349, 430348, 430353, 430494, G03C 840

Patent

active

057731896

ABSTRACT:
An image formation process comprising image exposing a photosensitive element which contains at least a photosensitive silver halide, a binder and a dye donating compound which forms or releases a diffusive dye corresponding or inversely corresponding to an exposure amount, and transferring the diffusive dye formed or released to a dye fixing element by heat development in the presence of a base and/or a precursor thereof, wherein the process further comprises the step of feeding water to said photosensitive element after image exposure, and the photosensitive element is maintained at a temperature of 40.degree. to 90.degree. on undergoing exposure, whereby photographic performance of the heat development photosensitive material exhibits good stability to changes in ambient temperature on undergoing exposure.

REFERENCES:
patent: 4503137 (1985-03-01), Sawada
patent: 4740445 (1988-04-01), Hirai et al.
patent: 4820622 (1989-04-01), Hirai
patent: 4868097 (1989-09-01), Aotsuka et al.
patent: 5049473 (1991-09-01), Furuya et al.
patent: 5116716 (1992-05-01), Komamura et al.

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