Heat developable light-sensitive material incorporating a substituted s-triazine-2,4,6-(1H, 3H, 5H)-trione reducing agent
US4021249A · kind A · utility
28Cited by
4References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 12, 1975 |
| Grant date | May 3, 1977 |
| Priority date | — |
| Expiry date | Sep 12, 1995 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03C1/49827
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A heat developable light-sensitive material having reduced fog, increased whiteness, and stability to normal room illumination comprising a support having therein or in one or more layers thereon (a) an organic silver salt, (b) a light-sensitive silver halide or a component capable of forming a light-sensitive silver halide upon reaction with the organic silver salt (a), and (c) as a reducing agent an s-triazine-2,4,6-(1H, 3H, 5H)-trione substituted with a phenol derivative (having a substituted group in at least one of the o-positions thereof with respect to the hydroxyl group) in at least one of the 1-, 3- or 5-positions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.