Silver halide photographic light sensitive material

Disclosed is a silver halide photographic light sensitive material which has a silver halide emulsion layer optically sensitized with a sensitizing dye having a maximum spectral sensitivity in the region of at least 700 nm, said emulsion layer containing at least one compound represented by the foll...

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Hauptverfasser: TAKAHASHI, YOSHIYA, NISHINOIRI, HIROSHI, YAMADA, MOTOSHIGE, TAKAYA, YOSHIKAZU, NAKAGAWA, KUNIHIRO, IWAOSA, KATSUAKI, BABA, SUSUMU, EBATO, SEIGO
Format: Patent
Sprache:eng
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Zusammenfassung:Disclosed is a silver halide photographic light sensitive material which has a silver halide emulsion layer optically sensitized with a sensitizing dye having a maximum spectral sensitivity in the region of at least 700 nm, said emulsion layer containing at least one compound represented by the following formula (I) or at least one compound represented by the general formula (I) and at least one compound represented by the general formula (II) in combination: (I) (wherein R1 and R2 each represents a hydrogen atom, an alkyl group, an aryl group, an aralkyl group, an alkenyl group, an amino group, an acylamido group or a sulfonamido group and sum of carbon atom numbers of R1 and R2 is 3 or more.); (II) (wherein R3 represents an alkyl group of at least 3 carbon atoms or an aryl group).