Photographic element containing a coupler capable of releasing a photographically useful group through a triazole group
US5709987A · kind A · utility
2Cited by
1References
29Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 17, 1996 |
| Grant date | Jan 20, 1998 |
| Priority date | — |
| Expiry date | Oct 17, 2016 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S430/158
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A photographic element comprising a support having situated thereon at least one silver halide emulsion layer, the element further comprising a photographic coupler represented by the formula EQU COUP-(T.sup.1).sub.b -T.sup.2 -(T.sup.3).sub.c -PUG wherein the substituents are as defined herein the specification.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.