Heat development color photographic material

Details Heat development color photographic material Heat development color photographic material

1997-03-17

1997-12-16

Chea, Thorl

Radiation imagery chemistry: process, composition, or product th

Transfer procedure between image and image layer, image...

Diffusion transfer process, element, or identified image...

430243, 430619, G03C 840, G03C 836, G03C 1498

Patent

active

056983654

ABSTRACT:
A heat development color photographic material excellent in discrimination and raw preservability of images, which comprises a support, and at least a light-sensitive silver halide, a binder, a coupler and a reducing agent formed thereon, in which a 2-acylamino-4-sulfonamidophenol derivative represented by the following general formula (I) is contained as said reducing agent: ##STR1## wherein R.sub.1 represents a substituent group (for example, alkyl or aryl); R.sub.2 to R.sub.4 each represents hydrogen or a substituent group (for example, halogen, alkyl or aryl); and R.sub.5 represents a substituent group (for example, alkyl or aryl).

REFERENCES:
patent: 4021240 (1977-05-01), Cerquone et al.

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