Aqueous thermally beachable composition useful in a photothermographic element
US6455210B1 · kind B1 · utility
5Cited by
6References
41Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 6, 2000 |
| Grant date | Sep 24, 2002 |
| Priority date | — |
| Expiry date | Dec 6, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S430/165
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
This invention relates to a photothermographic element comprising a support, at least one photothermographic image-receiving layer, and at least one antihalation layer or a filter layer, wherein the antihalation or filer layer comprises an aqueous heat-bleachable composition comprising at least one dye and at least one hexaarylbiimidazole in the form of particles dispersed in a matrix comprising a hydrophilic or aqueous dispersible polymer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.