Silver halide photographic emulsion
US4897343A · kind A · utility
11Cited by
5References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 11, 1988 |
| Grant date | Jan 30, 1990 |
| Priority date | — |
| Expiry date | May 11, 2008 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03C1/10
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A spectrally sensitized silver halide photographic emulsion is disclosed, which comprises at least one alkali metal sulfite compound and at least one ascorbic acid compound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.