| Patent Number |
Title Of Patent |
Date Issued |
| 6531274 |
High chloride emulsion doped with combination of metal complexes |
March 11, 2003 |
| A radiation-sensitive emulsion comprised of silver halide grains (a) containing greater than 50 mole percent chloride, based on silver, (b) having greater than 50 percent of their surface area provided by {100} crystal faces, and (c) having a central portion accounting for up to 99 p |
| 5462849 |
Silver halide emulsions with doped epitaxy |
October 31, 1995 |
| A photographic silver halide emulsion is disclosed comprised of radiation sensitive composite silver halide grains including host grain portions accounting for at least 50 percent of total silver and surface portions epitaxially deposited on the host grain portions. The epitaxially d |
| 5457021 |
Internally doped high chloride {100} tabular grain emulsions |
October 10, 1995 |
| A process is disclosed of preparing a radiation sensitive silver halide emulsion comprising reacting silver and halide ions in a dispersing medium in the presence of a metal hexacoordination or tetracoordination complex having at least one organic ligand and at least half of the metal |
| 5360712 |
Internally doped silver halide emulsions and processes for their preparation |
November 1, 1994 |
| A process is disclosed of preparing a radiation sensitive silver halide emulsion comprising reacting silver and halide ions in a dispersing medium in the presence of a metal hexacoordination or tetracoordination complex having at least one organic ligand containing a least one carbon-to- |
| 4945035 |
Photographic emulsions containing internally modified silver halide grains |
July 31, 1990 |
| Photographic silver halide emulsions are disclosed comprised of radiation sensitive silver halide grains containing greater than 50 mole percent chloride and less than 5 mole percent iodide, based on total silver, with any residual halide being bromide, said grains exhibiting a face cent |
| 4937180 |
Photographic emulsions containing internally modified silver halide grains |
June 26, 1990 |
| Photographic emulsions are disclosed comprised of radiation sensitive silver bromide grains optionally containing iodide. The grains exhibit a face centered cubic crystal lattice structure and are formed in the presence of a hexacoordination complex of rhenium, ruthenium, or osmium w |
| 4835093 |
Internally doped silver halide emulsions |
May 30, 1989 |
| A photographic silver halide emulsion is disclosed comprised of radiation sensitive silver halide grains exhibiting a face centered cubic crystal lattice structure and internally containing rhenium ions. |