Photographic element containing a coupler capable of releasing a photographically useful group through a pyrazole group
US5719017A · kind A · utility
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1References
28Claims
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Assignee
Inventors
Key dates
| Filing date | Oct 17, 1996 |
| Grant date | Feb 17, 1998 |
| Priority date | — |
| Expiry date | Oct 17, 2016 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S534/02
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
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 PA1 the substituents are as defined herein the specification.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.