EP 0247478 B1 19891213 - HEAT-DEVELOPABLE COLOUR-PHOTOGRAPHIC RECORDING MATERIAL
Title (en)
HEAT-DEVELOPABLE COLOUR-PHOTOGRAPHIC RECORDING MATERIAL
Publication
Application
Priority
DE 3618118 A 19860530
Abstract (en)
[origin: EP0247478A2] 1. A photographic recording material developable by heat treatment comprising at least one binder layer which is applied to a layer support and which contains photosensitive silver halide, but essentially no other inorganic silver salts, at least one non-diffusing dye-producing compound, which is capable of releasing a diffusible dye in consequence of development by heat treatment, and a fog-reducing compound, characterized in that the fog-reducing compound corresponds to the following formula I see diagramm : EP0247478,P23,F2 in which Q represents the radical required to complete a heterocyclic group containing at least one 5- or 6- membered heterocyclic ring and, optionally, rings fused thereto ; X represents a carboxylic acid or sulfonic acid group or a radical containing a carboxylic acid or sulfonic acid group, it also being possible for the carboxylic acid or sulfonic acid group to be present in anionic form.
IPC 1-7
IPC 8 full level
G03C 1/34 (2006.01); G03C 1/498 (2006.01); G03C 8/40 (2006.01)
CPC (source: EP)
G03C 1/346 (2013.01); G03C 1/49845 (2013.01)
Citation (examination)
DE 2457896 A1 19750612 - FUJI PHOTO FILM CO LTD
Designated contracting state (EPC)
NL
DOCDB simple family (publication)
EP 0247478 A2 19871202; EP 0247478 A3 19881026; EP 0247478 B1 19891213; DE 3618118 A1 19871203; JP S62291643 A 19871218
DOCDB simple family (application)
EP 87107155 A 19870518; DE 3618118 A 19860530; JP 13355087 A 19870530