Photographic elements containing release compounds
US5567577A · kind A · utility
6Cited by
12References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 5, 1995 |
| Grant date | Oct 22, 1996 |
| Priority date | — |
| Expiry date | Oct 5, 2015 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S430/16
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A photographic element comprising a support having located thereon at least one silver halide emulsion layer, the element containing a release compound that provides a non-imagewise distribution of a photographically active moiety, the release compound comprising a blocking group from which the photographically active moiety is released, the release compound further comprising a ballasting group other than a coupler moiety, and an aqueous solubilizing group, both the ballasting group and the aqueous solubilizing group being attached to the blocking group.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.