Color photographic materials with yellow minimum density colorants
US7629112B1 · kind B1 · utility
5Cited by
8References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 30, 2008 |
| Grant date | Dec 8, 2009 |
| Priority date | — |
| Expiry date | May 30, 2028 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03C7/3041
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Silver halide color photographic elements having multiple color imaging layers contain a permanent, pre-formed yellow colorant that is present in an amount to provide a status M blue density greater than 0.003 per mg/m2. This colorant provides minimum density at lower cost and can be incorporated with minimal or no organic solvents and thus enable a reduced organic load that may lead to improved film physical properties.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.