发明名称 Silver halide photographic material
摘要 A silver halide photographic material containing a cyan coupler represented by the formula: <IMAGE> wherein, R1 is selected from the group consisting of an acylamino group, an alkylsulfonamido group, an arylsulfonamido group, a carbamoyl group, a sulfamoyl group, an alkylureido group, an arylureido group, an alkyl group, an alkoxy group, an amino group, an alkoxycarbonyl group and a arylcarbonyl group, said groups have at least one carboxy group as a substituent, R2 is selected from the group consisting of a hydrogen atom, a halogen atom, an alkyl group, an alkoxy group, a nitro group, a cyano group, a formyl group, a carboxyl group, a hydroxyl group, an amino group, an acylamino group, an alkylsulfonamido group, an arylsulfonamido group, an alkylureido group, an arylureido group, a sulfamoyl group, a carbamoyl group, an alkoxycarbonyl group and an aryloxycarbonyl group, R3 represents an alkyl group substituted with a phenoxy group; R4 represents a hydrogen atom or an alkyl group, n represents an integer of 1 to 4, provided that when n is 2 or more the groups represented by the plurality of R2 may be either same or different from each other, and that the total number of carbon atoms contained in the groups represented by R3 and R4 is 10 or more.
申请公布号 US4766060(A) 申请公布日期 1988.08.23
申请号 US19860878078 申请日期 1986.06.24
申请人 KONISHIROKU PHOTO INDUSTRY CO., LTD. 发明人 NINOMIYA, HIDETAKA;SATO, RYOSUKE
分类号 G03C7/34;G03C7/305;(IPC1-7):G03C7/38;G03C7/32 主分类号 G03C7/34
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