Global Patent Index - EP 0766131 A1

EP 0766131 A1 19970402 - Photographic material having a red sensitized silver halide emulsion layer with improved heat sensitivity

Title (en)

Photographic material having a red sensitized silver halide emulsion layer with improved heat sensitivity

Title (de)

Photographisches Material mit einer rot sensibilisierten Silberhalogenidemulsionschicht verbesserter Wärmeempfindlichkeit

Title (fr)

Matériau photographique à couche d'émulsion à l'halogénure d'argent sensibilisée à la lumière rouge ayant une sensibilité à la chaleur améliorée

Publication

EP 0766131 A1 19970402 (EN)

Application

EP 96202665 A 19960924

Priority

  • US 451495 P 19950929
  • US 62941996 A 19960408

Abstract (en)

A silver halide photographic material having improved heat sensitivity comprising a red sensitive silver halide emulsion layer the silver halide of which is prepared in the presence of a hexacoordination complex of rhenium, ruthenium or osmium with at least four cyanide ligands and comprising at least about 90 mole percent silver chloride, wherein the emulsion contains a thiosulfonate and a sulfinate or seleninate and at least one red sensitizing dye.

IPC 1-7

G03C 1/26; G03C 1/28; G03C 1/29; G03C 1/34; G03C 1/08; G03C 1/09; G03C 7/30

IPC 8 full level

G03C 7/00 (2006.01); G03C 1/035 (2006.01); G03C 1/07 (2006.01); G03C 1/09 (2006.01); G03C 1/12 (2006.01); G03C 1/20 (2006.01); G03C 1/34 (2006.01); G03C 5/16 (2006.01); G03C 7/392 (2006.01)

CPC (source: EP)

G03C 1/09 (2013.01); G03C 1/127 (2013.01); G03C 5/164 (2013.01); G03C 7/39296 (2013.01); G03C 1/08 (2013.01); G03C 1/34 (2013.01)

Citation (search report)

Designated contracting state (EPC)

DE FR GB

DOCDB simple family (publication)

EP 0766131 A1 19970402; EP 0766131 B1 19991208; DE 69605515 D1 20000113; DE 69605515 T2 20000706; JP H09133982 A 19970520

DOCDB simple family (application)

EP 96202665 A 19960924; DE 69605515 T 19960924; JP 25870596 A 19960930