Light-sensitive silver halide emulsions
US4728602A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 7, 1986 |
| Grant date | Mar 1, 1988 |
| Priority date | — |
| Expiry date | Oct 7, 2006 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03C2001/0357
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A light-sensitive silver iodobromide emulsion containing core/shell silver iodobromide grains having a core substantially comprising silver iodobromide containing at least about 5 mol % of silver iodide and a shell selected from the group consisting of (a) a shell comprising silver iodobromide having a lower silver iodide content than that of the silver iodobromide of the core and (b) a shell comprising silver bromide, wherein the relative standard deviation of the silver iodide content of the individual grains of said silver halide emulsion is lower than about 20%.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.