Stabilized silver halide photographic element
US7108963B1 · kind B1 · utility
0Cited by
2References
17Claims
0Family size
Assignee
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Key dates
| Filing date | Apr 6, 2005 |
| Grant date | Sep 19, 2006 |
| Priority date | — |
| Expiry date | Apr 6, 2025 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03C7/39232
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A photographic element comprises a silver halide emulsion layer having associated therewith a dye forming coupler and a combination of a carbonamide compound, a phenolic compound, and an electron-rich compound. Such a combination provides improved dye stability.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.