发明名称 Silver halide color photographic materials
摘要 A silver halide color photographic material having low color stain and color fog, which contains at least one substantially colorless compound selected from the group consisting of compounds represented by formula (I) <IMAGE> (I) and alkaline unstable precursors thereof, bis, tris and tetrakis compounds derived from the compound, and polymers derived from the compound; wherein R1 and R2 each represents a hydrogen atom, a halogen atom, a substituted or unsubstituted alkyl, acylamino, alkoxy, aryloxy, alkylthio, arylthio, sulfonyl, carbamoyl, or sulfamoyl group; or R1 and R2 together form a carbocyclic ring; R3 represents a hydrogen atom or an alkyl group; and R4, R5, R6, R7, and R8 each represents a hydrogen atom, a halogen atom, a hydroxyl group, a cyano group, a nitro group, or a substituted or unsubstituted alkyl, acylamino, sulfonamido, alkoxy, aryloxy, alkylthio, arylthio, amino, acyl, acyloxy, carbamoyl, carbamoylamino, carbamoyloxy, sulfamoyl, sulfamoylamino, alkoxycarbonyl, aryloxycarbonyl, alkoxycarbonylamino, aryloxycarbonylamino, akloxycarbonyloxy, aryloxycarbonyloxy, heterocyclic ring, alkoxysulfonyl or aryloxysulfonyl group; or two adjacent groups together form a carbocyclic ring or a heterocyclic ring; the sum of the carbon atom number of R1 to R8 is at least 8; and the compound of formula (I) is substantially insoluble in water and does not form a color image by coupling reaction with an oxidized product of a developing agent.
申请公布号 US4732845(A) 申请公布日期 1988.03.22
申请号 US19860889972 申请日期 1986.07.28
申请人 FUJI PHOTO FILM CO., LTD. 发明人 KEIJI, MIHAYASHI;OHKI, NOBUTAKA
分类号 G03C7/26;C07C67/00;C07C231/00;C07C233/24;C07C235/56;C07C301/00;C07C309/51;C07C311/00;G03C7/392;(IPC1-7):G03C1/33 主分类号 G03C7/26
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