Dye diffusion transfer process with development accelerators

Details Dye diffusion transfer process with development accelerators Dye diffusion transfer process with development accelerators

1982-06-21

1984-04-03

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...

430218, 430487, G03C 554, G03C 140, G03C 530

Patent

active

044408498

ABSTRACT:
The invention relates to a process for the production of colored images by the dye diffusion transfer principle, in which a color photographic recording material containing negative silver halide emulsions and reducible color-providing compounds is developed with an alkaline developer preparation containing a combination of at least one compound from each of at least two of the groups of compounds (A, B, C) defined below as development accelerators. With combinations of this type, equal or higher maximum color densities are obtained for a smaller overall quantity of development accelerator.

REFERENCES:
patent: 2983606 (1961-05-01), Rogers
patent: 3846129 (1974-11-01), Kuh
patent: 4030920 (1977-06-01), Kuh et al.
patent: 4139379 (1979-02-01), Chasman et al.
patent: 4232107 (1980-11-01), Janssens
patent: 4353975 (1982-10-01), Janssens et al.
"Photographic Processes and Products", Research Disclosure #15162, 11/1976, pp. 75-87.

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