发明名称 Pre-fogged direct-positive silver halide photographic light-sensitive material and method of preparing emulsion for the same
摘要 A direct-positive silver halide light-sensitive material comprising a support having thereon at least one pre-fogged light-sensitive silver halide emulsion layer, wherein the light-sensitive material comprises a specific onium salt compound in the emulsion layer or a hydrophilic protective colloid layer adjacent thereto. Also disclosed is a method of preparing a pre-fogged light-sensitive silver halide emulsion for use in the light-sensitive material.
申请公布号 US5874207(A) 申请公布日期 1999.02.23
申请号 US19970857821 申请日期 1997.05.16
申请人 发明人
分类号 G03C1/005;G03C1/34;G03C1/485;(IPC1-7):G03C1/485;G03C1/10 主分类号 G03C1/005
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