EP 0359169 A2 19900321 - Photographic recording material comprising magenta coupler and a chalcogenazolium salt.
Title (en)
Photographic recording material comprising magenta coupler and a chalcogenazolium salt.
Title (de)
Photographisches Aufzeichnungsmaterial mit Magenta-Kuppler und einem Chalcogenazoliumsalz.
Title (fr)
Matériau photographique de reproduction comprenant un coupleur magenta et un sel de chalcogénazolium.
Publication
Application
Priority
US 24422388 A 19880914
Abstract (en)
A photographic recording material is provided which comprises a photosensitive silver halide emulsion layer, a pyrazolotriazole magenta coupler and a chalcogenazolium salt of a middle chalcogen which substantially reduces silver halide development inhibition caused by the coupler.
IPC 1-7
IPC 8 full level
G03C 7/38 (2006.01); G03C 1/10 (2006.01); G03C 1/34 (2006.01); G03C 7/30 (2006.01); G03C 7/392 (2006.01)
CPC (source: EP)
G03C 1/10 (2013.01); G03C 1/34 (2013.01); G03C 7/301 (2013.01); G03C 7/3924 (2013.01)
Designated contracting state (EPC)
AT BE CH DE ES FR GB GR IT LI LU NL SE
DOCDB simple family (publication)
EP 0359169 A2 19900321; EP 0359169 A3 19901227; EP 0359169 B1 19950726; DE 68923591 D1 19950831; DE 68923591 T2 19960328; JP H02120738 A 19900508
DOCDB simple family (application)
EP 89116757 A 19890911; DE 68923591 T 19890911; JP 23590089 A 19890913