Color diffusion transfer element with spacer layer containing pi

Details Color diffusion transfer element with spacer layer containing pi Color diffusion transfer element with spacer layer containing pi

1984-10-19

1985-09-17

Schilling, Richard L.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Antihalation or filter layer containing

430214, 430220, 430505, G03C 554, G03C 140, G03C 184

Patent

active

045420920

ABSTRACT:
A photographic element for a diffusion transfer process is described, comprising at least one support having thereon (1) a layer containing a dye-providing compound capable of releasing or forming a diffusible dye or a precursor thereof as a result of development, (2) a silver halide photographic emulsion layer which is in a complementary color relationship with the dye-providing compound, and (3) a substantially non-sensitive spacing layer between the layers (1) and (2) containing a solid pigment, a hydrophilic colloid, and a nondiffusible compound capable of undergoing a redox reaction with the oxidation product of a silver halide developing agent under an alkaline condition.

REFERENCES:
patent: 4192678 (1980-03-01), Chasman et al.
patent: 4267250 (1981-05-01), Sakanoue et al.
patent: 4366226 (1982-12-01), Hamaoka et al.

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