Photographic element containing neutral dye-forming resorcinol coupler
US5821039A · kind A · utility
1Cited by
7References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 30, 1997 |
| Grant date | Oct 13, 1998 |
| Priority date | — |
| Expiry date | May 30, 2017 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03C7/3885
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A color photographic element which comprises a light sensitive silver halide emulsion layer containing a 5-carbamoyl-1,3-dihydroxybenzene compound having a ClogP of at least 4. The element provides a black and white image using conventional color negative processing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.