Global Patent Index - EP 0331414 B1

EP 0331414 B1 19941207 - Sensitizing dye for high chloride and low iodide silver halide photographic composition.

Title (en)

Sensitizing dye for high chloride and low iodide silver halide photographic composition.

Title (de)

Sensibilisatorfarbstoff für chloridreiche und jodidarme photographische Silberhalogenidzusammensetzungen.

Title (fr)

Colorant sensibilisateur pour composition photographique à l'halogénure d'argent à haute teneur en chlorure d'argent et à basse teneur en iodure d'argent.

Publication

EP 0331414 B1 19941207 (EN)

Application

EP 89301953 A 19890228

Priority

US 16291488 A 19880301

Abstract (en)

[origin: EP0331414A1] Dyes of the formula: <CHEM> where R1 is halogen, substituted or unsubstituted phenyl, or substituted or unsubstituted styryl, R2 and R3 are each independently substituted alkyl, substituted alkenyl, or substituted aryl that are substituted with an anionic solubilising group, Z represents the atoms necessary to complete a substituted or unsubstituted naphthyl ring, and X<+> is a cation, are disclosed as sensitizing dyes for photographic compositions containing silver halide that is high in silver chloride content, low in silver iodide content, or both.

IPC 1-7

G03C 1/16

IPC 8 full level

G03C 1/035 (2006.01); G03C 1/12 (2006.01); G03C 1/16 (2006.01)

CPC (source: EP)

G03C 1/16 (2013.01)

Citation (examination)

Designated contracting state (EPC)

AT BE CH DE ES FR GB IT LI NL SE

DOCDB simple family (publication)

EP 0331414 A1 19890906; EP 0331414 B1 19941207; AT E115302 T1 19941215; DE 68919726 D1 19950119; DE 68919726 T2 19950720; JP 2831020 B2 19981202; JP 3122412 B2 20010109; JP H01255852 A 19891012; JP H1124196 A 19990129

DOCDB simple family (application)

EP 89301953 A 19890228; AT 89301953 T 19890228; DE 68919726 T 19890228; JP 10968098 A 19980420; JP 4551989 A 19890228