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 |
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代理人 |
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主权项 |
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地址 |
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