Silver halide black and white photographic light sensitive material
US5837418A · kind A · utility
1Cited by
2References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 23, 1996 |
| Grant date | Nov 17, 1998 |
| Priority date | — |
| Expiry date | Apr 23, 2016 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03C1/061
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A silver halide black-and-white photographic light sensitive material is disclosed, comprising a support provided thereon a silver halide emulsion layer and provided farther from the support another higher-sensitive silver halide emulsion layer, wherein both silver halide emulsion layers each have a coating weight of silver of not less than 0.5 g/m.sup.2 and are sensitized substantially to the same spectral region; at least two, different hydrazine compounds being contained in the silver halide emulsion layers or another photographic component layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.