Silver halide photographic material
US6759186B2 · kind B2 · utility
0Cited by
6References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 30, 2002 |
| Grant date | Jul 6, 2004 |
| Priority date | — |
| Expiry date | May 11, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03C2001/097
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A silver halide photographic material is disclosed, comprising at least one silver halide emulsion layer provided on a support, the emulsion layer comprising a silver halide emulsion containing at least two sensitizing dyes represented by the following general formula (I): wherein X represents an oxygen atom, sulfur atom, selenium atom or NR′; R and R′ each represent a substituted or unsubstituted alkyl, aryl or heterocyclic group; D represents a group required to form a methine dye; M represents a counter ion; and m represents a number of not smaller than 0 required to neutralize the electric charge in the molecule.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.