Silver halide photographic element and process
US6900007B1 · kind B1 · utility
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2References
14Claims
0Family size
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Key dates
| Filing date | Aug 4, 2004 |
| Grant date | May 31, 2005 |
| Priority date | — |
| Expiry date | Aug 4, 2024 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03C7/39236
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A photographic element comprises a light-sensitive silver halide emulsion layer having associated therewith (a) a 1H-pyrazolo[1,5-b][1,2,4]triazole dye-forming coupler; (b) a sulfonamide compound free of aromatic substituents directly linked to the sulfonamide nitrogen or sulfur atoms and (c) a dialkoxy substituted aromatic compound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.