发明名称 Silver halide photographic material
摘要 A silver halide photographic material having formed on a support two or more layers that have different light sensitivities but have substantially the same color sensitivity is disclosed. In the material, the layer having the highest light sensitivity contains only a compound of formula (I) as a DIR compound and at least one of the remaining layers contains at least one compound of formula (II) as a DIR compound: A-TIME-Z (I) A-Z (II) wherein A is a coupling component capable of reaction with the oxidized product of a color developing agent to release the group TIME-Z (wherein TIME represents a timing group and Z represents a development retarder). The photographic material has improved sharpness and granularity and wide latitude for exposure.
申请公布号 US4500633(A) 申请公布日期 1985.02.19
申请号 US19830466590 申请日期 1983.02.15
申请人 KONISHIROKU PHOTO INDUSTRY CO., LTD. 发明人 MENJO, HIROSHI;WATANABE, YOSHIKAZU
分类号 G03C7/26;G03C7/30;G03C7/305;G03C7/32;(IPC1-7):G03C1/46 主分类号 G03C7/26
代理机构 代理人
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