Photothermographic materials
US5952167A · kind A · utility
13Cited by
6References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 5, 1997 |
| Grant date | Sep 14, 1999 |
| Priority date | — |
| Expiry date | Mar 5, 2017 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03C1/49845
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A photothermographic material comprising (a) a reducible silver source, (b) a photocatalyst, (c) a reducing agent, (d) a binder, and (e) a compound represented by the following formula (I): wherein Q represents an atomic group necessary to form a six-membered heterocycle containing two to four nitrogen atoms; Y represents --CO--, --SO--, or --SO.sub.2 --; X.sub.1 and X.sub.2 each represent a halogen atom; and A represents a hydrogen atom or an electron withdrawing group, the photothermographic material exhibiting low fogging without deterioration in image tone and sensitivity decrease.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.