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

1986-10-31

1988-04-26

Schitting, 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

047404469

ABSTRACT:
Compounds corresponding to formula I are suitable for use as thermal development and diffusion promoting agents for the heat development process. The said compounds enable higher color transfer densities to be obtained and/or the development time to be reduced. ##STR1## wherein R.sup.1, R.sup.2 denote alkyl, cycloalkyl, aralkyl, aryl or acyl and

REFERENCES:
patent: 2857276 (1958-10-01), Land
patent: 3846136 (1974-11-01), Sullivan
patent: 4022617 (1977-05-01), McGuckin
patent: 4124387 (1978-11-01), Kohrt
patent: 4639407 (1987-01-01), Aono et al.
patent: 4639414 (1987-01-01), Sakaguchi

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