Color photographic element containing improved polymeric disulfonamidophenol for scavenging oxidized developer
US6255045A · kind A · utility
1Cited by
12References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 13, 2000 |
| Grant date | Jul 3, 2001 |
| Priority date | — |
| Expiry date | Mar 13, 2020 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03C7/39216
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
This invention relates to a photographic element comprising a support, a radiation sensitive silver halide emulsion layer and a water dispersible polymeric disulfonamidophenol that is substantially immobile in the element. The invention provides color photographic elements that exhibit improved stability, color reproduction and robustness in terms of processing variations; particularly variations in red density due to sensitizing dye.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.