Silver halide color photography element with improved high density contrast and bright low density colors
US5512103A · kind A · utility
3Cited by
44References
34Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 19, 1995 |
| Grant date | Apr 30, 1996 |
| Priority date | — |
| Expiry date | Jan 19, 2015 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03C7/39204
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The invention provides a cyan color producing silver halide emulsion layer or a magenta color producing silver halide emulsion layer wherein said at least one layer has an exposure range of at least 0.6 log E from the point where the instantaneous contrast is 1.0 and wherein the instantaneous contrast of said layer increases as a function of increasing exposure over at least 70 percent of said exposure range.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.