Silver halide photographic element, imaging process, and compound
US6361931B1 · kind B1 · utility
0Cited by
3References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 22, 2000 |
| Grant date | Mar 26, 2002 |
| Priority date | — |
| Expiry date | Dec 22, 2020 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03C7/30535
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Disclosed is a color photographic element comprising a yellow dye-forming coupler having formula I: wherein:B is a substituent containing 6 or more carbon atoms;L is a linking group bonded to the anilide ring by a carbon, sulfur, or oxygen atom;R is a substituent and n is 0-3;X is a solubilizing group containing an acidic proton;Y is a substituent; andZ is selected from the group consisting of H, chloro, an alkoxy group and an aryloxy group.The element provides an improved combination of reactivity and stability.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.