发明名称 COLOR PHOTOGRAPHC MATERIAL
摘要 PURPOSE:To enhance discoloration prevention effect, solubility in high boiling solvents or the like, dispersion stability, and diffusion resistance without exerting ill effects on other photographic additives and further without hindering color formation of couplers, by using a specified discoloration preventing agent. CONSTITUTION:To a solver halide color photographic material is added a compound of the formula shown (in which R1 is alkyl, alkenyl, or aralkyl, and may be substituted; R2, R3, and R5 are H, -OR7, alkyl, alkenyl, cycloalkyl, or aralkyl; R4 and R6 are H, alkyl, alkenyl, cycloalkyl, or aralkyl; R7 is as R1; both of R2 and R3 are not simultaneously -OR, and when R2 is -OR7, R5 is mot OR7; and when R1 and R7 are simultaneously alkyl, the total C number of these alkyl groups are 3 or more; and R2 to R6 may each be substituted when it is not H).
申请公布号 JPS54145530(A) 申请公布日期 1979.11.13
申请号 JP19780053854 申请日期 1978.05.06
申请人 KONISHIROKU PHOTO IND 发明人 KOBAYASHI MORIO;UCHIDA TAKU;OKANIWA KENICHIROU;SASAKI TAKASHI;TAGUCHI MASAHIKO;TAKADA SHIYUN
分类号 G03C7/26;C07C41/00;C07C43/205;C07C43/21;C07C43/215;C07C43/235;C07C67/00;G03C1/06;G03C7/392 主分类号 G03C7/26
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