发明名称 PHOTOGRAPHIC PRODUCT FOR SILVER TRANSFER IMAGES
摘要 <p>PHOTOGRAPHIC PRODUCT FOR SILVER TRANSFER IMAGES Diffusion transfer film units and processes are disclosed wherein a silver transfer image is formed in an image layer separated from the silver halide emulsion by a layer containing carbon black. Inclusion of polyvinylpyrrolidone in the carbon black layer provides increased silver transfer density.</p>
申请公布号 CA1247433(A) 申请公布日期 1988.12.27
申请号 CA19850475414 申请日期 1985.02.28
申请人 POLAROID CORPORATION 发明人 OBERHAUSER, DAVID F.;ROTH, PETER H.
分类号 G03C7/00;G03C8/06;G03C8/28;G03C8/44;G03C8/48;(IPC1-7):G03C5/54 主分类号 G03C7/00
代理机构 代理人
主权项
地址