Photographic material and process employing a development inhibitor releasing compound containing a fluorinated carbon alpha to an amide group
US5283163A · kind A · utility
6Cited by
2References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 18, 1992 |
| Grant date | Feb 1, 1994 |
| Priority date | — |
| Expiry date | Dec 18, 2012 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S430/158
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A photographic development inhibitor releasing compound comprises a releasable development inhibitor group comprising an amide group containing a carbon alpha to the amide functionality which is di- or tri-fluorinated. Such a compound is useful in photographic silver halide materials and processes to enable increased image sharpness and good interimage results.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.