High bromide chloride containing silver iodohalide emulsions exhibiting an increased proportion of iodide
US5238804A · kind A · utility
15Cited by
2References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 1, 1991 |
| Grant date | Aug 24, 1993 |
| Priority date | — |
| Expiry date | Feb 1, 2011 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03C1/035
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A photographic silver halide emulsion comprised of a silver halide grain structure containing chloride, bromide and iodide ions in which the molar ratio of bromide ions to chloride ions ranges from 9:1 to 1:1 and the proportion of iodide has been increased.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.