Photographic elements containing development inhibitor releasing compounds
US5759757A · kind A · utility
1Cited by
18References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 17, 1996 |
| Grant date | Jun 2, 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 containing an image modifying compound which comprises a magenta coupler moiety which upon reaction with oxidized color developing agent during processing forms a dye, said coupler moiety having attached to the coupling site, either directly or through a timing group, a 1,2,3-triazole moiety, the attachment being through the second nitrogen atom of the triazole moiety.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.