Silver halide photosensitive material containing an infrared absorption dye
US4839265A · kind A · utility
63Cited by
5References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 19, 1988 |
| Grant date | Jun 13, 1989 |
| Priority date | — |
| Expiry date | Jan 19, 2008 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03C1/832
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A silver halide photosensitive material having a hydrophilic colloid layer containing a specific water-soluble dye including at least three acid radicals. The water-soluble dye in the hydrophilic colloid layer absorbs light in the infrared region but does not adversely affect the photographic characterisitics of the photographic emulsion and is discolored upon photographic processing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.