Photographic or photothermographic element containing a blocked photographically useful compound
US6312879A · kind A · utility
4Cited by
7References
42Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 30, 1999 |
| Grant date | Nov 6, 2001 |
| Priority date | — |
| Expiry date | Dec 30, 2019 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03C7/4136
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
This invention relates to an imaging element, such as a photographic or photothermographic element comprising a silver halide emulsion layer, wherein the element also comprises a compound of Structure I: ##STR1## wherein the substituents are as defined in the specification.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.