Ionic liquids as coupler solvents in photothermographic systems
US6531270B1 · kind B1 · utility
20Cited by
1References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 21, 2001 |
| Grant date | Mar 11, 2003 |
| Priority date | — |
| Expiry date | Nov 21, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S430/145
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
This invention involves the use of ionic liquids as coupler solvents in a color or monochrome photothermographic system. The presence of an ionic liquid can increase the amount of density or dye formed. The ionic liquid may be combined with other coupler solvents.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.