| 发明名称 |
PHOTOGRAPHIC PRODUCT FOR SILVER TRANSFER IMAGES |
| 摘要 |
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. |
| 申请公布号 |
DE3564162(D1) |
申请公布日期 |
1988.09.08 |
| 申请号 |
DE19853564162 |
申请日期 |
1985.02.27 |
| 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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| 地址 |
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