Colour photographic silver halide material

In colour photographic silver halide material with a base and silver halide emulsion layer(s), at least one layer contains a 3-(2-hydroxyphenyl)-benzofuran-2-one or its ether or ester of formula (I): R1 = hydrogen, alkyl or acyl; R2, R3 = (cyclo)alkyl, alkenyl, (het)aryl, halogen, OR4, SR5, NR6R7, n...

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Bibliographische Detailangaben
Hauptverfasser:	LANGEN, HANS, HENSELER, KLAUS, ODENWAELDER, HEINRICH, HAGEMANN, JOERG
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	AUXILIARY PROCESSES IN PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR,STEREO-PHOTOGRAPHIC PROCESSES PHOTOGRAPHY PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES PHYSICS
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Beschreibung
Zusammenfassung:	In colour photographic silver halide material with a base and silver halide emulsion layer(s), at least one layer contains a 3-(2-hydroxyphenyl)-benzofuran-2-one or its ether or ester of formula (I): R1 = hydrogen, alkyl or acyl; R2, R3 = (cyclo)alkyl, alkenyl, (het)aryl, halogen, OR4, SR5, NR6R7, nitro, cyano, SO2R8, COOR9 or COR10; R4, R5, R9 = (cyclo)alkyl, alkenyl or (het)aryl; R6, R7 = H, R4, COR10, COOR9 or SO2R8; R8, R10 = (cyclo)alkyl, alkenyl, (het)aryl or NR6R7; n, m - 0, 1, 2, 3 or 4; or 2 R2 and/or R3 groups = a group forming a condensed carbo- or heterocyclic ring; or (I) are linked to a polymer chain by R1, R2 or R3.