Color negative film
US6447986B1 · kind B1 · utility
0Cited by
2References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 27, 2001 |
| Grant date | Sep 10, 2002 |
| Priority date | — |
| Expiry date | Jun 27, 2021 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03C2200/10
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A multicolor negative image capture film element comprises multiple silver halide emulsion layers that together exhibit a more gradually sloped density to exposure relationship than is customary while providing a combination of improved latitude and desirable overexposure printing density reduction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.