Antihalation dye for photothermographic recording material and a recording process therefor
US5945263A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 30, 1997 |
| Grant date | Aug 31, 1999 |
| Priority date | — |
| Expiry date | May 30, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S430/145
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A photothermographic recording material comprising a support; a photo-addressable thermally developable element comprising a substantially light-insensitive organic silver salt, photosensitive silver halide in catalytic association with the substantially light-insensitive organic silver salt spectrally sensitized to the infrared region of the electromagnetic spectrum and a binder; and in a hydrophobic layer an antihalation dye according to the general formula (I): ##STR1## wherein R.sup.1 and R.sup.15 independently represent an alkyl group or an alkyl group substituted with at least one fluorine, chlorine, bromine or an alkoxy-, aryloxy- or ester-group; R.sup.2, R.sup.3, R.sup.16 and R.sup.17 independently represent an alkyl group; R.sup.4, R.sup.5, R.sup.6, R.sup.7, R.sup.18, R.sup.19, R.sup.20 and R.sup.21 independently represent hydrogen, chlorine, bromine, fluorine or a keto-, sulfo-, carboxy-, ester-, sulfonamide-, amide-, dialkylamino-, nitro-, cyano-, alkyl-, alkenyl-, aryl-, alkoxy- or aryloxy-group; or each of R.sup.4 together with R.sup.5, R.sup.5 together with R.sup.6, R.sup.6 together with R.sup.7, R.sup.18 together with R.sup.19, R.sup.19 together with R.sup.20 or R.su…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.