Silver halide color photographic photosensitive materials containing at least two types of cyan dye forming couplers
US5192651A · kind A · utility
5Cited by
2References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 19, 1990 |
| Grant date | Mar 9, 1993 |
| Priority date | — |
| Expiry date | Dec 19, 2010 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03C7/342
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The present invention relates to photographic photosensitive material comprising a support having thereon at least one silver halide emulsion layer. The photosensitive material contains at least one cyan dye forming coupler represented by formula (I) ##STR1## and at least one cyan dye forming coupler represented by formula (II) ##STR2## in proportions, respectively from 20 to 99 wt % and from 1 to 80 wt %, wherein all the symbols are defined in the specification.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.