Direct positive silver halide photographic material
US5534402A · kind A · utility
0Cited by
3References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 13, 1994 |
| Grant date | Jul 9, 1996 |
| Priority date | — |
| Expiry date | Dec 13, 2014 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03C2001/098
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A direct-positive silver halide photographic material is disclosed, which comprises a support having thereon at least one prefogged light-sensitive silver halide emulsion layer, wherein said silver halide emulsion is an emulsion which has been previously fogged with a gold compound and a tellurium compound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.