Color diffusion transfer photographic element with heat treated

Details Color diffusion transfer photographic element with heat treated Color diffusion transfer photographic element with heat treated

1985-07-02

1986-03-18

Schilling, Richard L.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Structurally defined

430218, 430349, 430483, G03C 554, G03C 140, G03C 142, G03C 530

Patent

active

045769060

ABSTRACT:
A color diffusion transfer photographic element which comprises a support having provided thereon at least one silver halide emulsion layer containing a non-diffusible redox compound capable of releasing a diffusible dye or a precursor thereof by processing with an alkaline processing solution containing 3-pyrazolidinone type developing agent in the presence of a silver halide developing agent after exposure to light, wherein said alkaline processing solution is subjected to a heat treatment before use under a substantially oxygen-free condition for at least T days, wherein T is represented by the formula ##EQU1## wherein X represents the maximum temperature at which the heated alkaline processing solution is held, provided that X is about 40.degree. C. or more.

REFERENCES:
patent: 3261685 (1966-07-01), Dettaes et al.
patent: 4266025 (1981-05-01), McCreary et al.
Lee, "The Degradation . . . Solution", Photo. Sci. and Engrg., vol. 8, 1964, p. 120.

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