Silver halide photographic material
AssigneeFuji Photo Film Co., Ltd.
InventorsKohzaburoh Yamada, Hiroshi Takeuchi, Takashi Hoshimiya, Toshihide Ezoe, Shigeo Hirano, Minoru Sakai
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Abstract
A silver halide photographic material comprising a hydrazine compound is described, wherein the hydrazine compound is selected from (a) a hydrazide compound having an acyl group substituted with an anionic group and with an electron-attracting group and (b) a hydrazide compound having an acyl group substituted with an electron-attracting group and with a nonionic group which forms an intramolecular hydrogen bond with a hydrogen atom in hydrazide compound.
Claims7
A silver halide photographic material comprising a hydrazine compound, wherein the hydrazine compound is selected from (a) a hydrazide compound having an acyl group which is separately substituted (a1) with an anionic group and (a2) with an electron-attracting group having a Hammett's .sigma..sub.m value of 0.2 or higher, and (b) a hydrazide compound having an acyl group which is separately substituted (b1) with an electron-attracting group having a Hammett's .sigma..sub.m value of 0.2 or higher and (b2) with a nonionic group which forms an intramolecular hydrogen bond with a hydrogen atom in the hydrazide compound.
Dependencies are inferred from the claim text.