Heat development process and color photographic recording materi

Details Heat development process and color photographic recording materi Heat development process and color photographic recording materi

1987-09-14

1989-03-28

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, 430559, 430617, 430619, G03C 554, G03C 726

Patent

active

048163724

ABSTRACT:
Compounds of the formula I are suitable as thermal development and diffusion promoting agents for the heat development process. With the aid of said compounds higher color transfer densities can be achieved and/or the development time can be shortened. ##STR1## wherein X.sub.1 denotes --SO.sub.2 -- or--CO--;

REFERENCES:
patent: 3667959 (1972-06-01), Bojara et al.
patent: 4347310 (1982-08-01), Shiga et al.
patent: 4628021 (1986-12-01), Sawada et al.
patent: 4636455 (1987-01-01), Aono et al.

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