Thermally developable light-sensitive material
US4144072A · kind A · utility
14Cited by
3References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 25, 1977 |
| Grant date | Mar 13, 1979 |
| Priority date | — |
| Expiry date | Oct 25, 1997 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S430/166
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A thermally developable light-sensitive material containing at least (a) an organic silver salt, (b) a photocatalyst and (c) a reducing agent in a support and/or in one or more layers thereon and, additionally containing (d) at least one phthalazinone, and (e) at least one phthalimide, having improved shelf life particularly at high humidity, providing pure black tone images, and further providing a high speed upon heat development.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.