Radiographic silver halide photographic material having a good developing speed, an excellent image tone and low residual color after processing
US7129031B2 · kind B2 · utility
1Cited by
10References
74Claims
0Family size
Assignee
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Key dates
| Filing date | Jun 18, 2004 |
| Grant date | Oct 31, 2006 |
| Priority date | — |
| Expiry date | Oct 5, 2024 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03C2007/3032
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A green-sensitized black-and-white silver halide negative working photographic material comprising a support having thereon at least one light-sensitive silver halide emulsion layer containing tabular silver halide grains, further comprising in said emulsion layer or in a layer adjacent thereto, a heteroatomic sulfinic acid compound, a disulfide compound or a combination thereof, wherein each of said compounds has a solubilizing group having a pKa-value of 10 or less.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.