EP 0512304 B1 19971217 - Silver halide color photographic elements containing a pyrazolo-triazole magenta coupler
Title (en)
Silver halide color photographic elements containing a pyrazolo-triazole magenta coupler
Title (de)
Farbphotographische Pyrazolotriazol Magentakuppler enthaltende Silberhalogenidelemente
Title (fr)
Eléments photographiques couleur à l'halogénure d'argent comprenant un copulant magenta pyrazolotriazole
Publication
Application
Priority
IT MI911263 A 19910509
Abstract (en)
[origin: EP0512304A1] Silver halide color photographic element comprising a support and at least one silver halide emulsion layer containing at least one nondiffusible magenta coupler of the 1H-pyrazolo[3,2-c]-1,2,4-triazole series having at a position other than the coupling position a group expressed by the general formula (I) <CHEM> wherein L is an aralkylene divalent linking group containing a ballasting residue and having the arylene group of said aralkylene group directly connected to -(NH)n-SO2-, n is 0 or 1, and R is a substituent selected within the group consisting of a hydrogen atom, an alkyl group, an alkoxy group, a sulfonamido group and an acetylsulfonamido group.
IPC 1-7
IPC 8 full level
G03C 7/38 (2006.01)
CPC (source: EP)
G03C 7/3835 (2013.01)
Designated contracting state (EPC)
DE FR GB IT
DOCDB simple family (publication)
EP 0512304 A1 19921111; EP 0512304 B1 19971217; DE 69223545 D1 19980129; DE 69223545 T2 19980625; IT 1247912 B 19950105; IT MI911263 A0 19910509; IT MI911263 A1 19921109; JP 3165733 B2 20010514; JP H05150419 A 19930618
DOCDB simple family (application)
EP 92106738 A 19920421; DE 69223545 T 19920421; IT MI911263 A 19910509; JP 11348192 A 19920506