发明名称 SILVER HALIDE PHOTOGRAPHIC SENSITIVE MATERIAL WITH IMPROVED SHELF STABILITY OF DYE IMAGE
摘要 PURPOSE:To improve the shelf stability of a dye image by incorporating a specified cyan coupler into at least one silver halide emulsion layer on a support and a UV absorber which is liq. at ordinary temp. and a specified high b.p. org. solvent into the emulsion layer or a nonphotosensitive layer adjacent to the emulsion layer. CONSTITUTION:A cyan coupler represented by the formula (where R<1> is alkyl or aryl, R<2> is alkyl, cycloalkyl, aryl or the like, R<3> is H, halogen, alkyl or alkoxy, R<3> and R<3> may bond to each other to form a ring and Z is H or a group releasable by a reaction with the oxidized product of a color developing agent) is incorporated into at least one silver halide emulsion layer on a support. The UV absorber which is liq. at ordinary temp. and the specified high b.p. org. solvent are incorporated into the emulsion layer or a nonphotosensitive layer adjacent to the emulsion layer. The weight ratio of the org. solvent to total am. of the UV absorber is 0.65-0. When a sensitive material having such layers is used, a formed cyan dye image has superior dark fading resistance as well as light fading resistance and the discoloration of the low density part in a light place is especially prevented. The sensitive material is preferably used as color photographic printing paper for direct appreciation.
申请公布号 JPS63143545(A) 申请公布日期 1988.06.15
申请号 JP19860291277 申请日期 1986.12.06
申请人 KONICA CORP 发明人 SASAKI MASAO;ONODERA KAORU
分类号 G03C7/34;G03C1/815;G03C7/30;G03C7/388;G03C7/392 主分类号 G03C7/34
代理机构 代理人
主权项
地址
您可能感兴趣的专利